{"id":12935,"date":"2025-01-08T10:42:56","date_gmt":"2025-01-08T02:42:56","guid":{"rendered":"http:\/\/www.aiersheng.cc\/?p=12935"},"modified":"2025-01-08T10:42:56","modified_gmt":"2025-01-08T02:42:56","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9f%a5%e8%af%86%e4%b8%8e-sql-%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.aiersheng.cc\/?p=12935","title":{"rendered":"\u6570\u636e\u5e93\u77e5\u8bc6\u4e0e SQL \u57fa\u672c\u64cd\u4f5c"},"content":{"rendered":"<h1>\u6570\u636e\u5e93\u77e5\u8bc6\u4e0e SQL \u57fa\u672c\u64cd\u4f5c<\/h1>\n<h2>4.1 \u6570\u636e\u5e93\u6982\u8ff0<\/h2>\n<h3>\u81ea\u8ba1\u7b97\u673a\u8bde\u751f\u4e4b\u65e5\u8d77\uff0c\u7528\u8ba1\u7b97\u673a\u7ba1\u7406\u548c\u5904\u7406\u7684\u6570\u636e\u5c31\u5f00\u59cb\u7206\u70b8\u5f0f\u6210\u957f\uff0c\u8fdb\u5165 21 \u4e16\u7eaa\uff0c\u4e91\u8ba1\u7b97\u548c\u5927\u6570\u636e\u6280\u672f\u7684\u53d1\u5c55\uff0c\u4f7f\u6570\u636e\u5e93\u6280\u672f\u53d1\u5c55\u6210\u4e00\u95e8\u4e13\u4e1a\u5b66\u79d1\u3002\u76ee\u524d\u65e0\u8bba\u662f\u5728\u7ebf\u5b66\u4e60\u8fd8\u662f\u7f51\u4e0a\u8d2d\u7269\uff0c\u65e0\u8bba\u662f\u8054\u7f51\u552e\u7968\u8fd8\u662f\u6e38\u620f\u8fdb\u5ea6\u7ba1\u7406\uff0c\u90fd\u79bb\u4e0d\u5f00\u6570\u636e\u5e93\u6280\u672f\uff0c\u53ef\u4ee5\u8bf4\u6ca1\u6709\u6570\u636e\u5e93\u5c31\u6ca1\u6709\u76ee\u524d\u65e0\u5904\u4e0d\u5728\u7684\u8ba1\u7b97\u673a\u5e94\u7528\u3002<\/h3>\n<ul>\n<li><strong>\u672c\u8282\u5b66\u4e60\u4efb\u52a1<\/strong>\uff1a\u7406\u89e3\u6570\u636e\u5e93\u57fa\u672c\u6982\u5ff5\uff0c\u4e86\u89e3\u5173\u7cfb\u578b\u6570\u636e\u5e93\u6280\u672f\u3002<\/li>\n<\/ul>\n<h2>4.1.1 \u6570\u636e\u5e93\u57fa\u672c\u6982\u5ff5<\/h2>\n<h3>\u6570\u636e\u5e93 DB\uff08Database\uff09\u662f\u5b58\u50a8\u5728\u8ba1\u7b97\u673a\u5185\u6709\u7ec4\u7ec7\u3001\u53ef\u5171\u4eab\u7684\u6570\u636e\u96c6\u5408\u3002\u5982\u4e00\u4e2a\u6709\u5173\u540c\u5b66\u901a\u4fe1\u4fe1\u606f\u7684\u540c\u5b66\u5f55\u3001\u4e00\u4e2a\u5305\u62ec\u540c\u5b66\u5404\u79d1\u6210\u7ee9\u7684\u6210\u7ee9\u5e93\u90fd\u662f\u6570\u636e\u5e93\uff0c\u6570\u636e\u5e93\u5c0f\u53ef\u4ee5\u53ea\u6709\u51e0\u6761\u8bb0\u5f55\uff0c\u5927\u53ef\u4ee5\u5305\u542b\u4e0a\u4ebf\u6761\u8bb0\u5f55\u3002\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u662f\u6309\u4e00\u5b9a\u7684\u6570\u636e\u6a21\u578b\u7ec4\u7ec7\u3001\u63cf\u8ff0\u548c\u5b58\u50a8\u7684\uff0c\u5177\u6709\u5197\u4f59\u5ea6\u4f4e\u3001\u72ec\u7acb\u6027\u9ad8\u3001\u6613\u4e8e\u6269\u5145\u3001\u4fee\u6539\u65b9\u4fbf\u3001\u80fd\u591f\u5b9e\u73b0\u6570\u636e\u5171\u4eab\u7b49\u4f18\u70b9\u3002\u4f46\u5c31\u5177\u4f53\u5728\u78c1\u76d8\u4e0a\u7684\u5b58\u50a8\u800c\u8a00\uff0c\u4e00\u4e2a\u6570\u636e\u5e93\u5c31\u662f\u4e00\u4e2a\u6216\u4e00\u7ec4\u5b58\u653e\u5728\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u6587\u4ef6\u3002\u6709\u4e9b\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u6570\u636e\u5e93\u5c31\u662f\u4e00\u4e2a\u6587\u4ef6\u6216\u51e0\u4e2a\u6587\u4ef6\uff0c\u6709\u4e9b\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u6570\u636e\u5e93\u5c31\u662f\u4e00\u4e2a\u76ee\u5f55\u3002\u5982 Access \u4e2d\u7684\u6570\u636e\u5e93\u5c31\u662f\u540d\u4e3a*.mdb \u7684\u6587\u4ef6\uff0cMySQL \u4e2d\u4e00\u4e2a\u6570\u636e\u5e93\u5219\u662f\u5bf9\u5e94\u78c1\u76d8\u4e0a\u7684\u4e00\u4e2a\u76ee\u5f55\uff0c\u76ee\u5f55\u4e2d\u542b\u6709\u4e00\u7ec4\u4e0e\u6570\u636e\u8868\u540c\u540d\u7684\u6587\u4ef6\uff0c\u7528\u4e8e\u5b58\u653e\u6570\u636e\u8868\u3001\u6570\u636e\u7d22\u5f15\u7b49\u4fe1\u606f\u3002\u5404\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\u521b\u5efa\u6570\u636e\u5e93\u7684\u65b9\u6cd5\u5404\u4e0d\u76f8\u540c\uff0c\u6587\u4ef6\u7684\u683c\u5f0f\u4e5f\u5e76\u4e0d\u901a\u7528\u3002<\/h3>\n<h3>\u8981\u7406\u89e3\u6570\u636e\u5e93\uff0c\u5fc5\u987b\u8981\u7406\u89e3\u4ee5\u4e0b\u4e24\u7ec4\u5bb9\u6613\u6df7\u6dc6\u7684\u6982\u5ff5\uff1a<\/h3>\n<h4>1. \u6570\u636e\u3001\u4fe1\u606f\u4e0e\u6570\u636e\u5904\u7406<\/h4>\n<ul>\n<li><strong>\u6570\u636e<\/strong>\uff1a\u4eba\u7c7b\u751f\u6d3b\u5728\u4fe1\u606f\u793e\u4f1a\u4e2d\uff0c\u603b\u662f\u79bb\u4e0d\u5f00\u5bf9\u53cd\u6620\u5ba2\u89c2\u4e16\u754c\u7684\u5404\u79cd\u6570\u636e\u7684\u6536\u96c6\u3001\u5904\u7406\u3001\u5b58\u50a8\u3001\u4f20\u64ad\u548c\u4f7f\u7528\u3002\u6240\u8c13\u6570\u636e\uff0c\u5c31\u662f\u4eba\u4eec\u901a\u8fc7\u5bf9\u5ba2\u89c2\u4e8b\u7269\u7684\u89c2\u5bdf\u548c\u6d4b\u91cf\u5f97\u5230\u7684\u4e8b\u5b9e\uff0c\u662f\u5bf9\u5ba2\u89c2\u4e8b\u4ef6\u7684\u7269\u7406\u72b6\u6001\u7684\u53cd\u6620\uff0c\u5982\uff1a\u5706\u7684\u76f4\u5f84\u3001\u73ed\u7ea7\u7684\u4eba\u6570\u7b49\u5c31\u662f\u4e00\u4e9b\u201c\u6570\u636e\u201d\u3002<\/li>\n<li><strong>\u4fe1\u606f<\/strong>\uff1a\u4fe1\u606f\u5219\u662f\u4eba\u4eec\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5de5\u6574\u7406\u540e\uff0c\u4e3a\u67d0\u4e00\u7279\u5b9a\u76ee\u7684\u6240\u63d0\u4f9b\u7684\u51b3\u7b56\u4f9d\u636e\u3002\u5982\u5b66\u6821\u5728\u5b89\u6392\u8003\u573a\u65f6\uff0c\u4f1a\u6839\u636e\u73ed\u7ea7\u4eba\u6570\u8fdb\u884c\u8bd5\u573a\u7684\u7f16\u6392\uff0c\u8fd9\u65f6\u73ed\u7ea7\u4eba\u6570\u5c31\u662f\u5b66\u6821\u7f16\u6392\u8bd5\u573a\u7684\u4e3b\u8981\u4f9d\u636e\uff0c\u73ed\u7ea7\u4eba\u6570\u5c31\u662f\u4e00\u79cd\u201c\u4fe1\u606f\u201d\u3002\u4ece\u67d0\u79cd\u610f\u4e49\u4e0a\u8bf4\uff0c\u6570\u636e\u4e0e\u4fe1\u606f\u5728\u6982\u5ff5\u4e0a\u65e2\u6709\u533a\u522b\uff0c\u53c8\u4e0d\u80fd\u622a\u7136\u5206\u5f00\u3002\u5982\u679c\u4e0d\u662f\u5f88\u4e25\u683c\uff0c\u4e5f\u53ef\u4ee5\u628a\u6570\u636e\u7b49\u540c\u4e8e\u4fe1\u606f\u3002<\/li>\n<li><strong>\u6570\u636e\u5904\u7406<\/strong>\uff1a\u6570\u636e\u5904\u7406\u662f\u5bf9\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\u8fdb\u884c\u6536\u96c6\u3001\u5b58\u50a8\u3001\u5206\u7c7b\u3001\u8ba1\u7b97\u3001\u68c0\u7d22\u548c\u4f20\u64ad\u7684\u8fc7\u7a0b\u3002\u56e0\u6b64\uff0c\u6570\u636e\u5904\u7406\u4e0e\u4fe1\u606f\u5904\u7406\u5f80\u5f80\u6307\u540c\u4e00\u6982\u5ff5\u3002<\/li>\n<\/ul>\n<h4>2. \u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3001\u6570\u636e\u5e93\u7cfb\u7edf<\/h4>\n<ul>\n<li><strong>\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf DBMS\uff08Database Management System\uff09<\/strong>\uff1a\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u662f\u4f4d\u4e8e\u7528\u6237\u548c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u4e00\u5c42\u6570\u636e\u7ba1\u7406\u8f6f\u4ef6\uff0c\u5b83\u7531\u7cfb\u7edf\u8fd0\u884c\u63a7\u5236\u7a0b\u5e8f\u3001\u8bed\u8a00\u7ffb\u8bd1\u7a0b\u5e8f\u548c\u4e00\u7ec4\u516c\u7528\u7a0b\u5e8f\u7ec4\u6210\u3002\u5176\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a\u6570\u636e\u5b9a\u4e49\u3001\u6570\u636e\u64cd\u4f5c\u3001\u6570\u636e\u5e93\u7684\u63a7\u5236\u3001\u6570\u636e\u5e93\u7684\u7ef4\u62a4\u3002\u4e2d\u5c0f\u4f01\u4e1a\u4e2d\u5e38\u7528\u7684 Access\u3001FoxPro \u5c31\u662f\u4e00\u79cd\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002\u540c\u5b66\u4eec\u4eca\u5929\u5b66\u4e60\u6570\u636e\u5e93\u4e3b\u8981\u5c31\u662f\u5b66\u4e60\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u57fa\u672c\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6570\u636e\u5e93\u7cfb\u7edf DBS\uff08Database System\uff09<\/strong>\uff1a\u901a\u5e38\u662f\u6307\u5e26\u6709\u6570\u636e\u5e93\u7684\u8ba1\u7b97\u673a\u7cfb\u7edf\u3002\u5e7f\u4e49\u5730\u8bb2\uff0c\u5b83\u5305\u62ec\u6570\u636e\u5e93\u3001\u8ba1\u7b97\u673a\u786c\u4ef6\u3001\u8f6f\u4ef6\u548c\u5404\u7c7b\u76f8\u5173\u4eba\u5458\uff0c\u4e5f\u5c31\u662f\u4e00\u5957\u5b8c\u6574\u7684\u53ef\u4ee5\u5b9e\u9645\u5de5\u4f5c\u7684\u5e94\u7528\u7cfb\u7edf\u3002\u5982\u67d0\u5e02\u7684\u9ad8\u4e2d\u62db\u751f\u6570\u636e\u5e93\u7cfb\u7edf\u53ef\u80fd\u5305\u542b\u4e00\u4e2a\u51e0\u4e07\u6761\u8bb0\u5f55\u7684\u8003\u751f\u6570\u636e\u5e93\u3001\u4e00\u53f0\u6216\u51e0\u53f0\u8ba1\u7b97\u673a\u3001\u4e00\u4e2a Access \u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3001\u4e00\u5957\u6570\u636e\u5e93\u5e94\u7528\u8f6f\u4ef6\u548c\u51e0\u4f4d\u6570\u636e\u5e93\u64cd\u4f5c\u4eba\u5458\u3002<\/li>\n<\/ul>\n<h2>4.1.2 \u6570\u636e\u5e93\u7cfb\u7edf\u7684\u7279\u5f81<\/h2>\n<h3>\u5728\u6570\u636e\u5e93\u6280\u672f\u51fa\u73b0\u4e4b\u524d\uff0c\u8ba1\u7b97\u673a\u7528\u6237\u4f7f\u7528\u6570\u636e\u6587\u4ef6\u6765\u5b58\u653e\u6570\u636e\u3002\u6bd4\u5982\u5728 QBASIC \u8bed\u8a00\u4e2d\u5c31\u6709\u4e13\u95e8\u7684\u6570\u636e\u8bfb\u5199\u547d\u4ee4\u3002\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u636e\u6587\u4ef6\u683c\u5f0f\u662f\uff0c\u4e00\u4e2a\u6587\u4ef6\u5305\u542b\u82e5\u5e72\u6761\u201c\u8bb0\u5f55\u201d\uff0c\u4e00\u6761\u201c\u8bb0\u5f55\u201d\u53c8\u5305\u542b\u82e5\u5e72\u4e2a\u201c\u6570\u636e\u9879\u201d\u3002\u5982\u6587\u4ef6\uff1a\u201c\u5f20\u5c0f\u534e\uff0c\u7537\uff0c18\uff1b\u674e\u5a67\uff0c\u5973\uff0c17\uff1b\u2026\u2026\u201d\u3002\u7528\u6237\u901a\u8fc7\u5bf9\u6570\u636e\u6587\u4ef6\u7684\u8bfb\u5199\u6765\u5b9e\u73b0\u5bf9\u6570\u636e\u7684\u5b58\u53d6\u3002<\/h3>\n<ul>\n<li><strong>\u8fd9\u79cd\u65b9\u5f0f\u5b58\u53d6\u6570\u636e\u65f6<\/strong>\uff0c\u6ca1\u6709\u4e13\u95e8\u7684\u6570\u636e\u64cd\u4f5c\u547d\u4ee4\uff0c\u4e00\u5207\u6570\u636e\u7684\u8bfb\u53d6\u548c\u5199\u5165\u90fd\u8981\u9760\u7a0b\u5e8f\u5458\u7f16\u7a0b\u5b9e\u73b0\uff0c\u6240\u4ee5\u5de5\u4f5c\u6548\u7387\u975e\u5e38\u4f4e\uff0c\u6280\u672f\u8981\u6c42\u4e5f\u6bd4\u8f83\u9ad8\u3002\u968f\u7740\u793e\u4f1a\u4fe1\u606f\u91cf\u7684\u8fc5\u901f\u589e\u957f\uff0c\u8ba1\u7b97\u673a\u9700\u8981\u5904\u7406\u7684\u6570\u636e\u91cf\u4e5f\u5728\u4e0d\u65ad\u589e\u52a0\u3002\u6587\u4ef6\u7ba1\u7406\u65b9\u5f0f\u5bf9\u6570\u636e\u7684\u5b58\u53d6\u4f9d\u8d56\u4e8e\u4e13\u95e8\u7684\u7a0b\u5e8f\uff0c\u4e0d\u540c\u7a0b\u5e8f\u95f4\u5f88\u96be\u5171\u4eab\u6570\u636e\u6587\u4ef6\u3002\u5982\u7a0b\u5e8f\u5458\u5c0f\u738b\u7531\u4e8e\u5de5\u4f5c\u9700\u8981\u7f16\u4e86\u4e00\u4e2a\u540c\u5b66\u901a\u4fe1\u5f55\u7a0b\u5e8f\uff0c\u4ed6\u4f1a\u81ea\u5df1\u8bbe\u8ba1\u4e00\u79cd\u6587\u4ef6\u7684\u683c\u5f0f\uff0c\u6bd4\u5982\u5148\u662f\u59d3\u540d\u3001\u518d\u6027\u522b\u3001\u6700\u540e\u662f\u5e74\u9f84\uff0c\u7531\u4e8e\u8fd9\u79cd\u6587\u4ef6\u5b58\u50a8\u683c\u5f0f\u5b8c\u5168\u662f\u5c0f\u738b\u81ea\u5df1\u89c4\u5b9a\u7684\uff0c\u968f\u610f\u6027\u6bd4\u8f83\u5927\uff0c\u8fd9\u6837\u7684\u6570\u636e\u6587\u4ef6\u5f88\u96be\u88ab\u53e6\u5916\u7684\u7a0b\u5e8f\u5458\u4f7f\u7528\u3002\u901a\u8fc7\u5206\u6790\uff0c\u540c\u5b66\u4eec\u4e0d\u96be\u5f97\u51fa\u6587\u4ef6\u7ba1\u7406\u578b\u7cfb\u7edf\u6709\u5982\u4e0b\u7f3a\u70b9\uff1a\u6570\u636e\u96be\u5171\u4eab\uff0c\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u7531\u7279\u5b9a\u7684\u7528\u6237\u4e13\u7528\uff0c\u5176\u4ed6\u7528\u6237\u5f88\u96be\u5171\u4eab\u5b83\uff1b\u6570\u636e\u6613\u5197\u4f59\uff0c\u6bcf\u4e2a\u7528\u6237\u90fd\u62e5\u6709\u81ea\u5df1\u7684\u6570\u636e\uff0c\u5bfc\u81f4\u6570\u636e\u91cd\u590d\u5b58\u50a8\uff1b\u6570\u636e\u4e0d\u72ec\u7acb\uff0c\u6570\u636e\u4ece\u5c5e\u4e8e\u7a0b\u5e8f\uff0c\u4e24\u8005\u76f8\u4e92\u4f9d\u8d56\uff0c\u6570\u636e\u72ec\u7acb\u6027\u4e0d\u5f3a\uff1b\u6570\u636e\u65e0\u7ed3\u6784\uff0c\u5404\u6570\u636e\u6587\u4ef6\u5f7c\u6b64\u72ec\u7acb\uff0c\u4ece\u6574\u4f53\u770b\u65e0\u6570\u636e\u7ed3\u6784\u3002<\/li>\n<\/ul>\n<h3>\u7531\u4e8e\u6587\u4ef6\u7ba1\u7406\u65b9\u5f0f\u8d8a\u6765\u8d8a\u4e0d\u9002\u5e94\u7ba1\u7406\u5927\u91cf\u6570\u636e\u7684\u9700\u8981\uff0c\u4e8e\u662f\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4fbf\u5e94\u8fd0\u800c\u751f\u4e86\u3002\u4e0a\u4e16\u7eaa 60 \u5e74\u4ee3\u672b\u671f\uff0c\u7f8e\u56fd IBM \u516c\u53f8\u5f00\u53d1\u4e86\u7b2c\u4e00\u4e2a\u5546\u54c1\u5316\u7684\u6570\u636e\u5e93\u7cfb\u7edf IMS \u7cfb\u7edf\uff08Information Management System\uff09\u3002\u4ece\u6587\u4ef6\u7ba1\u7406\u5230\u6570\u636e\u5e93\u7ba1\u7406\uff0c\u4ee3\u8868\u4e86\u4e24\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u6570\u636e\u7ba1\u7406\u6280\u672f\u3002\u4eca\u5929\uff0c\u6570\u636e\u5e93\u7ba1\u7406\u5df2\u6210\u4e3a\u8ba1\u7b97\u673a\u4fe1\u606f\u7ba1\u7406\u7684\u4e3b\u8981\u65b9\u5f0f\uff0c\u53ea\u5728\u4e00\u4e9b\u6570\u636e\u91cf\u8f83\u5c0f\u7684\u573a\u5408\u4e2d\uff0c\u8fd8\u6709\u5c11\u91cf\u6587\u4ef6\u7ba1\u7406\u7cfb\u7edf\u652f\u6301\u7684\u6570\u636e\u6587\u4ef6\u5728\u4f7f\u7528\u3002<\/h3>\n<ul>\n<li><strong>\u4e0e\u6587\u4ef6\u7cfb\u7edf\u76f8\u6bd4<\/strong>\uff0c\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u7279\u5f81\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a\n<ul>\n<li><strong>\u6570\u636e\u7ed3\u6784\u5316<\/strong>\uff1a\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u5c3d\u7ba1\u5176\u8bb0\u5f55\u5185\u90e8\u5df2\u6709\u4e86\u67d0\u4e9b\u7ed3\u6784\uff0c\u4f46\u8bb0\u5f55\u4e4b\u95f4\u6ca1\u6709\u8054\u7cfb\u3002\u800c\u6570\u636e\u5e93\u7cfb\u7edf\u5219\u5b9e\u73b0\u4e86\u6574\u4f53\u6570\u636e\u7684\u7ed3\u6784\u5316\uff0c\u8fd9\u662f\u6570\u636e\u5e93\u7684\u4e3b\u8981\u7279\u5f81\u4e4b\u4e00\uff0c\u4e5f\u662f\u6570\u636e\u5e93\u4e0e\u6587\u4ef6\u7cfb\u7edf\u7684\u672c\u8d28\u533a\u522b\u3002<\/li>\n<li><strong>\u6570\u636e\u7684\u5171\u4eab\u6027\u9ad8\u3001\u5197\u4f59\u5ea6\u4f4e\u3001\u6613\u4e8e\u6269\u5145<\/strong>\uff1a\u6570\u636e\u5e93\u7cfb\u7edf\u4ece\u6574\u4f53\u89d2\u5ea6\u770b\u5f85\u548c\u63cf\u8ff0\u6570\u636e\uff0c\u6570\u636e\u4e0d\u518d\u9762\u5411\u67d0\u4e2a\u7279\u5b9a\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u800c\u662f\u9762\u5411\u6574\u4e2a\u7cfb\u7edf\uff0c\u56e0\u6b64\uff0c\u6570\u636e\u53ef\u4ee5\u88ab\u591a\u4e2a\u7528\u6237\u3001\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5171\u4eab\u4f7f\u7528\u3002\u6570\u636e\u5171\u4eab\u53ef\u4ee5\u5927\u5927\u51cf\u5c11\u6570\u636e\u5197\u4f59\uff0c\u8282\u7ea6\u5b58\u50a8\u7a7a\u95f4\u3002\u6570\u636e\u5171\u4eab\u8fd8\u80fd\u591f\u907f\u514d\u6570\u636e\u4e4b\u95f4\u7684\u4e0d\u76f8\u5bb9\u6027\u4e0e\u4e0d\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u6570\u636e\u72ec\u7acb\u6027\u9ad8<\/strong>\uff1a\u6570\u636e\u72ec\u7acb\u6027\u5305\u62ec\u6570\u636e\u7684\u7269\u7406\u72ec\u7acb\u6027\u548c\u903b\u8f91\u72ec\u7acb\u6027\u3002\u7269\u7406\u72ec\u7acb\u6027\u662f\u6307\u7528\u6237\u7684\u5e94\u7528\u7a0b\u5e8f\u4e0e\u5b58\u50a8\u5728\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u662f\u76f8\u4e92\u72ec\u7acb\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u6570\u636e\u5728\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u5b58\u50a8\u662f\u7531 DBMS \u7ba1\u7406\u7684\uff0c\u7528\u6237\u7a0b\u5e8f\u4e0d\u9700\u8981\u4e86\u89e3\uff0c\u5e94\u7528\u7a0b\u5e8f\u8981\u5904\u7406\u7684\u53ea\u662f\u6570\u636e\u7684\u903b\u8f91\u7ed3\u6784\uff0c\u8fd9\u6837\u4e00\u6765\u5f53\u6570\u636e\u7684\u7269\u7406\u5b58\u50a8\u7ed3\u6784\u6539\u53d8\u65f6\uff0c\u7528\u6237\u7684\u7a0b\u5e8f\u4e0d\u7528\u6539\u53d8\u3002\u903b\u8f91\u72ec\u7acb\u6027\u662f\u6307\u7528\u6237\u7684\u5e94\u7528\u7a0b\u5e8f\u4e0e\u6570\u636e\u5e93\u7684\u903b\u8f91\u7ed3\u6784\u662f\u76f8\u4e92\u72ec\u7acb\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u6570\u636e\u7684\u903b\u8f91\u7ed3\u6784\u6539\u53d8\u4e86\uff0c\u7528\u6237\u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u4e0d\u6539\u53d8\u3002<\/li>\n<li><strong>\u6570\u636e\u7531 DBMS \u7edf\u4e00\u7ba1\u7406\u548c\u63a7\u5236<\/strong>\uff1a\u6570\u636e\u5e93\u7684\u5171\u4eab\u662f\u5e76\u53d1\u7684\uff08concurrency\uff09\u5171\u4eab\uff0c\u5373\u591a\u4e2a\u7528\u6237\u53ef\u4ee5\u540c\u65f6\u5b58\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u751a\u81f3\u53ef\u4ee5\u540c\u65f6\u5b58\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u540c\u4e00\u4e2a\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4.1.3 \u6570\u636e\u6a21\u578b<\/h2>\n<h3>\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u6570\u636e\u5728\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\uff0c\u662f\u901a\u8fc7\u6570\u636e\u6a21\u578b\u6765\u8fdb\u884c\u62bd\u8c61\u8868\u793a\u548c\u5904\u7406\u7684\u3002\u6240\u6709\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u5747\u662f\u57fa\u4e8e\u67d0\u79cd\u6570\u636e\u6a21\u578b\u5efa\u7acb\u7684\u3002\u6570\u636e\u6a21\u578b\u662f\u6570\u636e\u5e93\u6280\u672f\u7684\u6838\u5fc3\uff0c\u5176\u6a21\u578b\u7684\u4f18\u52a3\u76f4\u63a5\u5f71\u54cd\u6570\u636e\u5e93\u7684\u6027\u80fd\u3002<\/h3>\n<ul>\n<li><strong>\u5728\u6570\u636e\u5e93\u6280\u672f\u53d1\u5c55\u8fc7\u7a0b\u4e2d<\/strong>\uff0c\u4e3b\u8981\u7ecf\u5386\u4e86\u4e09\u79cd\u6a21\u578b\uff1a\u5c42\u6b21\u6a21\u578b\u3001\u7f51\u72b6\u6a21\u578b\u548c\u5173\u7cfb\u6a21\u578b\u3002\u5176\u4e2d\uff0c\u5c42\u6b21\u6a21\u578b\u548c\u7f51\u72b6\u6a21\u578b\u7edf\u79f0\u4e3a\u975e\u5173\u7cfb\u6a21\u578b\uff0c\u7528\u6b64\u6a21\u578b\u8bbe\u8ba1\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u5c5e\u4e8e\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4ea7\u54c1\uff0c\u76ee\u524d\u5df2\u5f88\u5c11\u88ab\u4f7f\u7528\uff0c\u5173\u7cfb\u6a21\u578b\u6784\u6210\u7684\u6570\u636e\u5e93\uff0c\u662f\u5f53\u524d\u6570\u636e\u5e93\u7684\u4e3b\u6d41\u4ea7\u54c1\u3002<\/li>\n<\/ul>\n<h4>1. \u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7cfb\u7edf<\/h4>\n<ul>\n<li><strong>\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93<\/strong>\u662f\u7b2c\u4e00\u4ee3\u6570\u636e\u5e93\u7684\u603b\u79f0\uff0c\u5176\u4e2d\u5305\u62ec\u201c\u5c42\u6b21\u201d\u548c\u201c\u7f51\u72b6\u201d\u4e24\u79cd\u7c7b\u578b\u3002\u8fd9\u4e00\u4ee3\u6570\u636e\u5e93\u7cfb\u7edf\u4ee5\u8bb0\u5f55\u578b\u4e3a\u57fa\u672c\u6570\u636e\u7ed3\u6784\uff0c\u5728\u4e0d\u540c\u7684\u8bb0\u5f55\u578b\u4e4b\u95f4\u5141\u8bb8\u5b58\u5728\u8054\u7cfb\uff0c\u5176\u4e2d\u5c42\u6b21\u6a21\u578b\u5728\u8bb0\u5f55\u578b\u4e4b\u95f4\u53ea\u80fd\u6709\u5355\u7ebf\u8054\u7cfb\uff0c\u7f51\u72b6\u578b\u5219\u5141\u8bb8\u8bb0\u5f55\u578b\u4e4b\u95f4\u5b58\u5728\u4e24\u79cd\u6216\u591a\u4e8e\u4e24\u79cd\u7684\u8054\u7cfb\u3002\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u7ed3\u6784\u9519\u7efc\u590d\u6742\uff0c\u4f7f\u7528\u96be\u5ea6\u8f83\u9ad8\uff0c\u81ea\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5174\u8d77\u540e\uff0c\u5b83\u4eec\u5df2\u7ecf\u9010\u6e10\u88ab\u5173\u7cfb\u578b\u6570\u636e\u5e93\u6240\u53d6\u4ee3\u4e86\u3002<\/li>\n<\/ul>\n<h4>2. \u5173\u7cfb\u578b\u6570\u636e\u5e93\u7cfb\u7edf<\/h4>\n<ul>\n<li><strong>20 \u4e16\u7eaa 70 \u5e74\u4ee3<\/strong>\uff0c\u5546\u54c1\u5316\u5173\u7cfb\u578b\u6570\u636e\u5e93 RDBS\uff08Relational Database System\uff09\u5f00\u59cb\u95ee\u4e16\uff0c\u73b0\u5728\u4eba\u4eec\u4f7f\u7528\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u51e0\u4e4e\u90fd\u662f\u5173\u7cfb\u578b\u6570\u636e\u5e93\u3002<\/li>\n<li><strong>\u5173\u7cfb\u578b\u6570\u636e\u5e93<\/strong>\u91c7\u7528\u4e8c\u7ef4\u8868\u4e3a\u57fa\u672c\u6570\u636e\u7ed3\u6784\uff0c\u901a\u8fc7\u516c\u5171\u5173\u952e\u5b57\u6bb5\u5b9e\u73b0\u4e0d\u540c\u4e8c\u7ef4\u8868\u4e4b\u95f4\u7684\u8054\u7cfb\u3002\u6240\u8c13\u4e8c\u7ef4\u8868\u5c31\u662f\u53ea\u6709\u884c\u4e0e\u5217\u4e24\u4e2a\u65b9\u5411\u7684\u5e73\u9762\u8868\u683c\uff0c\u4e8c\u7ef4\u8868\u5f62\u5f0f\u7b80\u5355\uff0c\u76f4\u89c2\u5f62\u8c61\uff0c\u5b66\u4e60\u4e0e\u4f7f\u7528\u5747\u6bd4\u8f83\u65b9\u4fbf\u3002\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5141\u8bb8\u901a\u8fc7\u201c\u5173\u7cfb\u201d\uff0c\u76f4\u63a5\u8bbf\u95ee\u5b58\u50a8\u5728\u4e0d\u540c\u8868\u5185\u7684\u6570\u636e\uff0c\u5176\u6548\u7387\u8fdc\u6bd4\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u9ad8\uff0c\u56e0\u800c\u53d7\u5230\u7528\u6237\u7684\u666e\u901a\u6b22\u8fce\u3002\u4e0b\u9762\u540c\u5b66\u4eec\u901a\u8fc7\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u6765\u521d\u6b65\u4e86\u89e3\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u201c\u5173\u7cfb\u201d\u3002<\/li>\n<\/ul>\n<h3 class=\"last-node\">\u8868 4-1 \u6240\u793a\u662f\u67d0\u73ed\u540c\u5b66\u7684\u901a\u4fe1\u5f55\u6570\u636e\u8868\uff0c\u8868 4-2 \u6240\u793a\u662f\u8be5\u73ed\u540c\u5b66\u7684\u56fe\u4e66\u501f\u9605\u6570\u636e\u8868\uff0c\u4e24\u5f20\u8868\u7684\u8054\u7cfb\u662f\u90fd\u6709\u5171\u540c\u7684\u5b57\u6bb5\u201c\u5b66\u53f7\u201d\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u901a\u8fc7\u8fd9\u5c42\u201c\u5173\u7cfb\u201d\uff0c\u628a\u4e24\u5f20\u8868\u8054\u7cfb\u8d77\u6765\uff0c\u5f97\u5230\u8868 4-3 \u6240\u793a\u6570\u636e\u3002\u5f53\u7136\u5728\u8ba1\u7b97\u673a\u4e2d\u53ea\u9700\u8981\u5b58\u50a8\u524d 2 \u5f20\u8868\u683c\u5373\u53ef\uff0c\u7b2c 3 \u5f20\u8868\u683c\u53ef\u4ee5\u7531\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u81ea\u52a8\u751f\u6210\u3002<\/h3>\n<ul>\n<li><strong>\u8868 4-1 \u901a\u4fe1\u5f55\u6570\u636e\u8868<\/strong><\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u5b66\u53f7<\/th>\n<th>\u59d3\u540d<\/th>\n<th>\u7535\u8bdd<\/th>\n<th>E-mail<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20030101<\/td>\n<td>\u5f20\u5c0f\u5a67<\/td>\n<td>1111<\/td>\n<td>a1@abc\uff0ecom<\/td>\n<\/tr>\n<tr>\n<td>20030102<\/td>\n<td>\u674e\u5927\u94a2<\/td>\n<td>2222<\/td>\n<td>a2@abc\uff0ecom<\/td>\n<\/tr>\n<tr>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u8868 4-2 \u56fe\u4e66\u501f\u9605\u6570\u636e\u8868<\/strong><\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u5b66\u53f7<\/th>\n<th>\u4e66\u540d<\/th>\n<th>\u501f\u4e66\u65e5\u671f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20030101<\/td>\n<td>\u5341\u4e07\u4e2a\u4e3a\u4ec0\u4e48<\/td>\n<td>2005\/04\/20<\/td>\n<\/tr>\n<tr>\n<td>20030102<\/td>\n<td>\u8ba1\u7b97\u673a\u7ec4\u88c5\u4e0e\u7ef4\u4fee<\/td>\n<td>2005\/04\/22<\/td>\n<\/tr>\n<tr>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u8868 4-3 \u8bfb\u8005\u501f\u4e66\u6570\u636e\u8868<\/strong><\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u5b66\u53f7<\/th>\n<th>\u59d3\u540d<\/th>\n<th>\u7535\u8bdd<\/th>\n<th>E-mail<\/th>\n<th>\u4e66\u540d<\/th>\n<th>\u501f\u4e66\u65e5\u671f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20030101<\/td>\n<td>\u5f20\u5c0f\u5a67<\/td>\n<td>1111<\/td>\n<td>a1@abc\uff0ecom<\/td>\n<td>\u5341\u4e07\u4e2a\u4e3a\u4ec0\u4e48<\/td>\n<td>2005\/04\/20<\/td>\n<\/tr>\n<tr>\n<td>20030102<\/td>\n<td>\u674e\u5927\u94a2<\/td>\n<td>2222<\/td>\n<td>a2@abc\uff0ecom<\/td>\n<td>\u8ba1\u7b97\u673a\u7ec4\u88c5\u4e0e\u7ef4\u4fee<\/td>\n<td>2005\/04\/22<\/td>\n<\/tr>\n<tr>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<td>\u2026\u2026<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u6bcf\u5f20\u6570\u636e\u8868\u4e00\u822c\u53ea\u5b58\u50a8\u4e8b\u7269\u67d0\u4e00\u65b9\u9762\u7684\u4fe1\u606f\uff0c\u4f46\u4e0d\u540c\u7684\u8868\u4e2d\u5fc5\u987b\u81f3\u5c11\u5305\u542b\u4e00\u9879\u76f8\u540c\u7684\u5c5e\u6027\uff0c\u4f8b\u5982\u4e24\u5f20\u8868\u4e2d\u90fd\u6709\u7684\u201c\u5b66\u53f7\u201d\uff0c\u8fd9\u4e00\u5c5e\u6027\u628a\u4e24\u5f20\u8868\u4e2d\u7684\u6570\u636e\u6709\u673a\u5730\u5173\u8054\u4e86\u8d77\u6765\uff0c\u6784\u6210\u4e00\u5f20\u65b0\u7684\u5173\u7cfb\u8868\u3002\u4e0e\u5c42\u6b21\u578b\u6216\u7f51\u72b6\u578b\u6570\u636e\u5e93\u76f8\u6bd4\uff0c\u5173\u7cfb\u6a21\u578b\u6570\u636e\u7ed3\u6784\u7b80\u5355\uff0c\u6570\u636e\u72ec\u7acb\u6027\u5f3a\u3002<\/h3>\n<ul>\n<li><strong>\u4e0a\u4f8b\u4e2d\u7684\u5bf9\u5e94\u5173\u7cfb<\/strong>\u53ef\u4ee5\u662f\u4e00\u5bf9\u4e00\uff0c\u5982\u4e00\u4f4d\u540c\u5b66\u501f\u4e86\u4e00\u672c\u4e66\u3002\u5f53\u7136\u4e5f\u53ef\u4ee5\u662f\u4e00\u5bf9\u591a\u6216\u591a\u5bf9\u591a\uff0c\u5982\u4e00\u4f4d\u540c\u5b66\u540c\u65f6\u501f\u4e86\u51e0\u672c\u4e66\uff0c\u5c31\u5f62\u6210\u4e86\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\u3002\u540c\u5b66\u4eec\u4e5f\u53ef\u4ee5\u601d\u8003\u4e00\u4e0b\u751f\u6d3b\u4e2d\u8fd8\u6709\u54ea\u4e9b\u4fe1\u606f\u53ef\u4ee5\u901a\u8fc7\u4e00\u5bf9\u4e00\u6216\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\u8054\u7cfb\u8d77\u6765\u3002<\/li>\n<\/ul>\n<h2>4.1.4 \u5e38\u7528\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7cfb\u7edf<\/h2>\n<h3>\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7ecf\u5386\u4e86 40 \u591a\u5e74\u7684\u53d1\u5c55\u6f14\u53d8\uff0c\u5df2\u7ecf\u53d6\u5f97\u4e86\u8f89\u714c\u7684\u6210\u5c31\uff0c\u53d1\u5c55\u6210\u4e86\u4e00\u95e8\u5185\u5bb9\u4e30\u5bcc\u7684\u5b66\u79d1\u3002\u76ee\u524d\uff0c\u5e02\u573a\u4e0a\u5360\u6709\u4e3b\u8981\u5e02\u573a\u4efd\u989d\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u4ea7\u54c1\uff0c\u5982 Oracle\uff0cSQL Server\uff0cMySQL \u7b49\u5747\u5c5e\u4e8e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u3002<\/h3>\n<ul>\n<li><strong>Access<\/strong>\u00a0\u662f\u5fae\u8f6f\u4ef6\u516c\u53f8\u5f00\u53d1\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4ea7\u54c1\uff0c\u662f Office \u529e\u516c\u7cfb\u5217\u8f6f\u4ef6\u5305\u4e2d\u7684\u4e00\u90e8\u5206\uff0c\u64cd\u4f5c\u7b80\u5355\u6613\u5b66\uff0c\u9002\u7528\u4e8e\u529e\u516c\u73af\u5883\u5bf9\u5c11\u91cf\u6570\u636e\u7684\u7ba1\u7406\u3002<\/li>\n<li><strong>SQL Server<\/strong>\u00a0\u6700\u521d\u662f\u7531 Microsoft\u3001Sybase \u548c Ashton-Tate \u4e09\u5bb6\u516c\u53f8\u5171\u540c\u5f00\u53d1\u7684\uff0c\u5728 Windows NT \u63a8\u51fa\u540e\uff0cMicrosoft \u4e0e Sybase \u5728 SQL Server \u7684\u5f00\u53d1\u4e0a\u5c31\u5206\u9053\u626c\u9573\uff0cMicrosoft \u5c06 SQL Server \u79fb\u690d\u5230 Windows NT \u7cfb\u7edf\u4e0a\uff0c\u4e13\u6ce8\u4e8e\u5f00\u53d1\u63a8\u5e7f SQL Server \u7684 Windows NT \u7248\u672c\u3002<\/li>\n<li><strong>MySQL<\/strong>\u00a0\u662f\u4e00\u4e2a\u5c0f\u578b\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5177\u6709\u5f00\u653e\u6e90\u7801\u65b9\u5f0f\u7279\u70b9\uff0c\u5c5e\u4e8e Oracle \u516c\u53f8\uff08\u7532\u9aa8\u6587\u516c\u53f8\uff09\u6240\u6709\u3002MySQL \u88ab\u5e7f\u6cdb\u5730\u5e94\u7528\u5728 Internet \u4e0a\u7684\u4e2d\u5c0f\u578b\u7f51\u7ad9\u4e2d\u3002\u7531\u4e8e\u5176\u4f53\u79ef\u5c0f\u3001\u901f\u5ea6\u5feb\u3001\u603b\u4f53\u62e5\u6709\u6210\u672c\u4f4e\u3002\u8bb8\u591a\u4e2d\u5c0f\u578b\u7f51\u7ad9\u9009\u62e9\u4e86 MySQL \u4f5c\u4e3a\u7f51\u7ad9\u6570\u636e\u5e93\u3002<\/li>\n<li><strong>Oracle<\/strong>\u00a0\u662f\u7532\u9aa8\u6587\u516c\u53f8\u7684\u4e00\u6b3e\u5927\u578b\u4e13\u4e1a\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002\u5c5e\u4e8e\u4e00\u79cd\u5927\u578b\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u4e00\u822c\u9002\u7528\u4e8e\u5927\u578b\u4f01\u4e1a\u3001\u653f\u5e9c\u90e8\u95e8\u7b49\u5927\u6279\u91cf\u6570\u636e\u9700\u8981\u5904\u7406\u7684\u5355\u4f4d\u6216\u90e8\u95e8\uff0c\u5b83\u7684\u529f\u80fd\u5f88\u5f3a\u5927\uff0c\u80fd\u591f\u5904\u7406\u5927\u6279\u91cf\u7684\u6570\u636e\uff0c\u5e02\u573a\u5360\u6709\u7387\u9ad8\u3002<\/li>\n<\/ul>\n<h3>\u5173\u7cfb\u578b\u6570\u636e\u5e93\u8fd8\u5728\u4e0d\u65ad\u53d1\u5c55\u4e4b\u4e2d\uff0c\u8fd9\u4e9b\u4ea7\u54c1\u7684\u7279\u5f81\u53cd\u6620\u4e86\u5f53\u524d\u6570\u636e\u5e93\u4ea7\u4e1a\u754c\u7684\u6700\u9ad8\u6c34\u5e73\u548c\u53d1\u5c55\u8d8b\u52bf\u3002\u6570\u636e\u5e93\u53d1\u5c55\u8d8b\u52bf\u4e3b\u8981\u8868\u73b0\u4e3a\u4ecd\u4ee5\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e3a\u4e3b\u6d41\u4ea7\u54c1\u3001\u4ea7\u54c1\u5f62\u6210\u7cfb\u5217\u5316\u3001\u652f\u6301\u5404\u79cd\u4e92\u8054\u7f51\u5e94\u7528\u53ca\u5411\u667a\u80fd\u5316\u96c6\u6210\u5316\u65b9\u5411\u6269\u5c55\u7b49\u3002<\/h3>\n<ul>\n<li><strong>\u968f\u7740\u4e92\u8054\u7f51 web2.0 \u7f51\u7ad9\u7684\u5174\u8d77<\/strong>\uff0c\u4f20\u7edf\u7684\u5173\u7cfb\u6570\u636e\u5e93\u5728\u5e94\u4ed8 web2.0 \u7f51\u7ad9\uff0c\u7279\u522b\u662f\u8d85\u5927\u89c4\u6a21\u548c\u9ad8\u5e76\u53d1\u7684\u793e\u4ea4\u7f51\u7ad9\u7c7b\u578b\u7684 web2.0 \u7eaf\u52a8\u6001\u7f51\u7ad9\u5df2\u7ecf\u663e\u5f97\u529b\u4e0d\u4ece\u5fc3\uff0c\u66b4\u9732\u4e86\u5f88\u591a\u96be\u4ee5\u514b\u670d\u7684\u95ee\u9898\uff0c\u76ee\u524d\u6240\u8c13\u7684 NoSQL \u975e\u5173\u7cfb\u578b\u7684\u6570\u636e\u5e93\u5219\u7531\u4e8e\u5176\u672c\u8eab\u7684\u7279\u70b9\u5f00\u59cb\u5f97\u5230\u4e86\u6bd4\u8f83\u8fc5\u901f\u7684\u53d1\u5c55\uff0c\u6709\u5174\u8da3\u7684\u540c\u5b66\u53ef\u4ee5\u4e0a\u7f51\u67e5\u8be2\u76f8\u5173\u8d44\u6599\uff0c\u800c\u672c\u8bfe\u5219\u7ee7\u7eed\u8ba8\u8bba\u76ee\u524d\u5360\u4e3b\u6d41\u6280\u672f\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u6280\u672f\u3002<\/li>\n<\/ul>\n<h2>\u601d\u8003\u4e0e\u4e60\u9898<\/h2>\n<h3>\u4e00\u3001\u5355\u9879\u9009\u62e9\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u6709\u5173\u6570\u636e\u5e93\u7684\u7279\u70b9\uff0c\u4ee5\u4e0b\u53d9\u8ff0\u9519\u8bef\u7684\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. \u53ef\u4ee5\u4f9b\u5404\u79cd\u7528\u6237\u5171\u4eab<\/li>\n<li>B. \u5197\u4f59\u5ea6\u5c0f<\/li>\n<li>C. \u8f83\u9ad8\u7684\u6570\u636e\u72ec\u7acb\u6027<\/li>\n<li>D. \u6570\u636e\u7531\u5e94\u7528\u7a0b\u5e8f\u81ea\u5df1\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u5e93\u7c7b\u578b\u662f\u6309\u7167<\/strong> \u6765\u5212\u5206\u7684\u3002<\/p>\n<ul>\n<li>A. \u6587\u4ef6\u5f62\u5f0f<\/li>\n<li>B. \u6570\u636e\u6a21\u578b<\/li>\n<li>C. \u8bb0\u5f55\u5f62\u5f0f<\/li>\n<li>D. \u6570\u636e\u5b58\u53d6\u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u4e0b\u5217\u5173\u4e8e\u6570\u636e\u5e93\u8bf4\u6cd5\u9519\u8bef\u7684\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. \u5173\u7cfb\u578b\u6570\u636e\u5e93\u91c7\u7528\u4e8c\u7ef4\u8868\u4e3a\u57fa\u672c\u6570\u636e\u7ed3\u6784<\/li>\n<li>B. RDBS \u662f\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93<\/li>\n<li>C. \u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u662f\u6309\u4e00\u5b9a\u7684\u6570\u636e\u6a21\u578b\u7ec4\u7ec7\u7684<\/li>\n<li>D. \u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7cfb\u7edf\u4ee5\u8bb0\u5f55\u578b\u4e3a\u57fa\u672c\u6570\u636e\u7ed3\u6784<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5728\u4ee5\u4e0b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0c\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. Access<\/li>\n<li>B. SQL Server<\/li>\n<li>C. MySQL<\/li>\n<li>D. Oracle<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u4e8c\u3001\u586b\u7a7a\u9898<\/h3>\n<ol>\n<li>\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf DBMS \u662f\u4f4d\u4e8e\u7528\u6237\u4e0e<strong>\u64cd\u4f5c\u7cfb\u7edf<\/strong>\u4e4b\u95f4\u7684\u4e00\u5c42\u6570\u636e\u7ba1\u7406\u8f6f\u4ef6\u3002<\/li>\n<li>\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e3b\u8981\u529f\u80fd\u5305\u62ec\u6570\u636e\u5b9a\u4e49\u3001<strong>\u6570\u636e\u64cd\u4f5c<\/strong>\u3001\u6570\u636e\u5e93\u7684\u63a7\u5236\u3001\u6570\u636e\u5e93\u7684\u7ef4\u62a4\u3002<\/li>\n<li>\u6570\u636e\u5e93\u4e0e\u6587\u4ef6\u7cfb\u7edf\u7684\u672c\u8d28\u533a\u522b\u662f<strong>\u6570\u636e\u7ed3\u6784\u5316<\/strong>\u3002<\/li>\n<li>\u6570\u636e\u5e93\u6280\u672f\u7684\u6838\u5fc3\u662f<strong>\u6570\u636e\u6a21\u578b<\/strong>\u3002<\/li>\n<li>\u5728\u6570\u636e\u5e93\u6280\u672f\u4e2d\uff0c\u4e3b\u8981\u7684\u6570\u636e\u6a21\u578b\u6709\uff1a\u5c42\u6b21\u6a21\u578b\u3001\u7f51\u72b6\u6a21\u578b\u548c<strong>\u5173\u7cfb\u6a21\u578b<\/strong>\u3002<\/li>\n<li>\u7528\u4e8c\u7ef4\u8868\u7684\u5f62\u5f0f\u6765\u8868\u793a\u5b9e\u4f53\u95f4\u8054\u7cfb\u7684\u6570\u636e\u6a21\u578b\u53eb\u505a<strong>\u5173\u7cfb\u6a21\u578b<\/strong>\u3002<\/li>\n<li>\u5173\u7cfb\u578b\u6570\u636e\u5e93\u91c7\u7528\u4e8c\u7ef4\u8868\u4e3a\u57fa\u672c\u6570\u636e\u7ed3\u6784\uff0c\u901a\u8fc7<strong>\u516c\u5171\u5173\u952e\u5b57\u6bb5<\/strong>\u5b9e\u73b0\u4e0d\u540c\u4e8c\u7ef4\u8868\u4e4b\u95f4\u7684\u8054\u7cfb\u3002<\/li>\n<\/ol>\n<h3>\u4e09\u3001\u5224\u65ad\u9898\uff08\u6b63\u786e\u7684\u6253\u201c\u221a\u201d\uff0c\u9519\u8bef\u7684\u6253\u201c\u00d7\u201d\uff09<\/h3>\n<ol>\n<li>\u6570\u636e\u5e93\u7cfb\u7edf\u662f\u4f4d\u4e8e\u7528\u6237\u548c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u4e00\u5c42\u6570\u636e\u8f6f\u4ef6\uff0c\u5b83\u7531\u7cfb\u7edf\u8fd0\u884c\u63a7\u5236\u7a0b\u5e8f\u3001\u8bed\u8a00\u7ffb\u8bd1\u7a0b\u5e8f\u548c\u4e00\u7ec4\u516c\u7528\u7a0b\u5e8f\u7ec4\u6210\u3002<\/li>\n<li>\u4e0a\u4e16\u7eaa 60 \u5e74\u4ee3\u672b\u671f\uff0c\u7f8e\u56fd Microsoft \u516c\u53f8\u5f00\u53d1\u4e86\u7b2c\u4e00\u4e2a\u5546\u54c1\u5316\u7684\u6570\u636e\u5e93\u7cfb\u7edf IMS \u7cfb\u7edf\uff08Information Management System\uff09\u3002<\/li>\n<li>\u5728\u6570\u636e\u5e93\u6280\u672f\u53d1\u5c55\u8fc7\u7a0b\u4e2d\uff0c\u4e3b\u8981\u7ecf\u5386\u4e86\u4e09\u79cd\u6a21\u578b\uff1a\u5c42\u6b21\u6a21\u578b\u3001\u7f51\u72b6\u6a21\u578b\u548c\u5173\u7cfb\u6a21\u578b\u3002<\/li>\n<li>MySQL \u662f\u4e00\u4e2a\u5c0f\u578b\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5177\u6709\u5f00\u653e\u6e90\u7801\u65b9\u5f0f\u7279\u70b9\uff0c\u5c5e\u4e8e Oracle \u516c\u53f8\u6240\u6709\u3002<\/li>\n<\/ol>\n<h2>4.2 \u6570\u636e\u5e93\u8868\u57fa\u672c\u6982\u5ff5<\/h2>\n<h3>\u867d\u7136\u5f53\u524d\u6570\u636e\u5e93\u7ba1\u7406\u4e2d\u521b\u5efa\u6570\u636e\u5e93\u7684\u65b9\u6cd5\u5404\u4e0d\u76f8\u540c\uff0c\u4f46\u8bbe\u8ba1\u6570\u636e\u5e93\u7684\u57fa\u672c\u601d\u60f3\u662f\u76f8\u540c\u7684\uff0c\u6570\u636e\u5e93\u7684\u603b\u4f53\u8bbe\u8ba1\u5c31\u662f\u9996\u5148\u786e\u5b9a\u6570\u636e\u5e93\u6240\u8981\u5b8c\u6210\u7684\u4efb\u52a1\uff0c\u9700\u8981\u4ece\u6570\u636e\u5e93\u4e2d\u5f97\u5230\u4ec0\u4e48\u6837\u7684\u4fe1\u606f\uff0c\u518d\u786e\u5b9a\u6570\u636e\u5e93\u4e2d\u5e94\u5305\u542b\u54ea\u4e9b\u6570\u636e\u8868\uff0c\u6bcf\u4e2a\u8868\u4e2d\u5305\u542b\u54ea\u4e9b\u5b57\u6bb5\uff0c\u6700\u540e\u786e\u5b9a\u6bcf\u4e2a\u5b57\u6bb5\u7684\u6570\u636e\u7c7b\u578b\u548c\u5b57\u6bb5\u957f\u5ea6\u7b49\u3002\u6570\u636e\u8868\u5728\u6570\u636e\u7ba1\u7406\u4e2d\u6709\u7740\u4e3e\u8db3\u8f7b\u91cd\u7684\u5730\u4f4d\uff0c\u6b63\u786e\u8ba4\u8bc6\u548c\u7406\u89e3\u6570\u636e\u5e93\u4e2d\u6570\u636e\u8868\u7684\u6982\u5ff5\uff0c\u5bf9\u4e8e\u7406\u89e3\u548c\u638c\u63e1 SQL \u8bed\u53e5\u6709\u7740\u6781\u5927\u7684\u5e2e\u52a9\u3002<\/h3>\n<ul>\n<li><strong>\u672c\u8282\u5b66\u4e60\u4efb\u52a1<\/strong>\uff1a\u7406\u89e3\u8868\u7684\u5c5e\u6027\u3001\u4e86\u89e3\u5b57\u6bb5\u7684\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<h2>4.2.1 \u6570\u636e\u8868\u6982\u5ff5<\/h2>\n<h3>\u6570\u636e\u8868\u662f\u6570\u636e\u5e93\u6700\u91cd\u8981\u7684\u7ec4\u6210\u90e8\u5206\u4e4b\u4e00\uff0c\u662f\u5b9e\u9645\u5b58\u653e\u6570\u636e\u7684\u5730\u65b9\uff0c\u5f53\u5efa\u7acb\u4e00\u4e2a\u6570\u636e\u5e93\u540e\uff0c\u63a5\u7740\u5c31\u8981\u5efa\u7acb\u6570\u636e\u8868\u3002<\/h3>\n<ul>\n<li><strong>\u5927\u90e8\u5206\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u6570\u636e\u5e93\u5305\u542b\u82e5\u5e72\u5f20\u6570\u636e\u8868<\/strong>\uff0c\u4f8b\u5982\uff1a\u5728\u5b66\u751f\u6210\u7ee9\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0c\u5c31\u53ef\u80fd\u8981\u5305\u542b\u5b66\u751f\u6863\u6848\u6570\u636e\u8868\u3001\u6559\u5e08\u6863\u6848\u6570\u636e\u8868\u3001\u5b66\u751f\u6210\u7ee9\u6570\u636e\u8868\u7b49\u591a\u4e2a\u6570\u636e\u8868\u3002\u4e00\u822c\u628a\u89e3\u51b3\u67d0\u4e2a\u95ee\u9898\u7684\u76f8\u5173\u7684\u4fe1\u606f\u653e\u5728\u4e00\u4e2a\u6570\u636e\u5e93\u4e2d\uff0c\u5982\u5b66\u751f\u6210\u7ee9\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0c\u5c31\u5e94\u8be5\u5305\u542b\u5b66\u751f\u3001\u6559\u5e08\u3001\u6210\u7ee9\u7b49\u591a\u5f20\u6570\u636e\u8868\uff0c\u800c\u5b66\u6821\u8d22\u4ea7\u3001\u56fe\u4e66\u4fe1\u606f\u7b49\u4e0d\u76f8\u5173\u7684\u4fe1\u606f\u5c31\u4e0d\u5fc5\u653e\u5728\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u4e2d\u3002\u4f46\u5982\u679c\u51c6\u5907\u5f00\u53d1\u7684\u662f\u5b66\u6821\u7efc\u5408\u7ba1\u7406\u7cfb\u7edf\uff0c\u7cfb\u7edf\u4e2d\u6709\u53ef\u80fd\u8981\u51fa\u73b0\u5b66\u751f\u501f\u4e66\u3001\u5b66\u751f\u8d22\u4ea7\u8d54\u507f\u7b49\u4fe1\u606f\uff0c\u5c31\u53ef\u80fd\u8981\u8003\u8651\u628a\u8fd9\u4e9b\u6570\u636e\u8868\u653e\u5165\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u3002<\/li>\n<li><strong>\u6570\u636e\u8868\u7684\u8bbe\u8ba1\u662f\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u4e00\u5927\u96be\u70b9<\/strong>\uff0c\u8bbe\u8ba1\u4f18\u79c0\u7684\u6570\u636e\u8868\u7ed3\u6784\u6e05\u6670\u3001\u4fbf\u4e8e\u540e\u671f\u6570\u636e\u7684\u67e5\u8be2\uff0c\u76f8\u53cd\u7ed3\u6784\u4e0d\u826f\u7684\u6570\u636e\u8868\uff0c\u4f1a\u5bf9\u540e\u671f\u7684\u7a0b\u5e8f\u5f00\u53d1\u5e26\u6765\u65e0\u7a77\u7684\u540e\u60a3\u3002\u5728\u6570\u636e\u8868\u7684\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\u5e94\u9075\u5faa\u4ee5\u4e0b\u7684\u539f\u5219\uff1a\n<ul>\n<li><strong>\u6bcf\u5f20\u6570\u636e\u8868\u4e2d\u4e0d\u5e94\u8be5\u5305\u542b\u91cd\u590d\u7684\u6570\u636e<\/strong>\u3002\u8bbe\u8ba1\u6570\u636e\u8868\u65f6\u5e94\u8be5\u4fdd\u8bc1\u6bcf\u6761\u4fe1\u606f\u53ea\u80fd\u51fa\u73b0\u5728\u4e00\u4e2a\u8868\u4e2d\uff0c\u907f\u514d\u5404\u4e2a\u8868\u4e2d\u542b\u6709\u76f8\u540c\u7684\u4fe1\u606f\uff0c\u5426\u5219\u5bb9\u6613\u9020\u6210\u6570\u636e\u7684\u5197\u4f59\u548c\u4e0d\u4e00\u81f4\uff0c\u4e0d\u5229\u4e8e\u6570\u636e\u66f4\u65b0\u3002\u5f53\u7136\uff0c\u4f5c\u4e3a\u8868\u683c\u4e4b\u95f4\u7684\u201c\u7ebd\u5e26\u201d\uff0c\u7528\u6765\u521b\u5efa\u5173\u7cfb\u7684\u5b57\u6bb5\u9664\u5916\u3002<\/li>\n<li class=\"last-node\"><strong>\u6bcf\u5f20\u8868\u4e2d\u53ea\u5305\u542b\u4e00\u4e2a\u4e3b\u9898\u4fe1\u606f<\/strong>\u3002\u5982\u8868 4-6 \u6240\u793a\uff0c\u5b66\u751f\u901a\u4fe1\u5f55\u4e2d\u53ea\u5305\u542b\u5b66\u751f\u901a\u4fe1\u65b9\u9762\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u518d\u589e\u52a0\u5730\u5740\u3001\u90ae\u7f16\u7b49\u5185\u5bb9\n<p>\uff0c\u4f46\u4e0d\u5e94\u8be5\u628a\u6210\u7ee9\u4e5f\u52a0\u5165\u5b66\u751f\u901a\u4fe1\u5f55\u6570\u636e\u8868\uff0c\u8fd9\u4e0d\u4f46\u4e0d\u7b26\u5408\u521a\u624d\u63d0\u5230\u7684\u4e00\u5f20\u8868\u53ea\u5305\u542b\u4e00\u4e2a\u4e3b\u9898\u7684\u8981\u6c42\uff0c\u800c\u4e14\u5f53\u8be5\u540c\u5b66\u6709\u4e24\u6b21\u8003\u8bd5\u6210\u7ee9\u65f6\uff0c\u4f1a\u9020\u6210\u5b58\u653e\u4e24\u6761\u8bb0\u5f55\uff0c\u8fd9\u4e24\u6761\u8bb0\u5f55\u53ea\u6709\u6210\u7ee9\u4e0d\u540c\uff0c\u5176\u4ed6\u5982\u5b66\u53f7\u3001\u59d3\u540d\u90fd\u76f8\u540c\uff0c\u4e5f\u9020\u6210\u4e86\u6570\u636e\u7684\u5197\u4f59\u3002<\/p>\n<h3>\u8868 4-4 \u5b66\u751f\u901a\u4fe1\u5f55<\/h3>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u5b66\u53f7<\/th>\n<th>\u59d3\u540d<\/th>\n<th>\u7535\u8bdd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20030101<\/td>\n<td>\u5f20\u5c0f\u5a67<\/td>\n<td>1111<\/td>\n<\/tr>\n<tr>\n<td>20030102<\/td>\n<td>\u674e\u5927\u94a2<\/td>\n<td>2222<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u8868 4-5 \u5b66\u751f\u6210\u7ee9\u8868<\/h3>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u5b66\u53f7<\/th>\n<th>\u59d3\u540d<\/th>\n<th>\u7535\u8bdd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20030101<\/td>\n<td>\u5f20\u5c0f\u5a67<\/td>\n<td>1111<\/td>\n<\/tr>\n<tr>\n<td>20030102<\/td>\n<td>\u674e\u5927\u94a2<\/td>\n<td>2222<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u6b63\u786e\u7684\u65b9\u6cd5\u5e94\u8be5\u662f\u5b66\u751f\u6210\u7ee9\u8868\u4e2d\u53ea\u542b\u5b66\u53f7\u3001\u6210\u7ee9\u4e24\u4e2a\u4fe1\u606f\uff0c\u800c\u5b66\u53f7\u662f\u4e24\u5f20\u8868\u8054\u7cfb\u7684\u7ebd\u5e26\uff0c\u662f\u5fc5\u987b\u5b58\u5728\u7684\uff0c\u5982\u8868 4-6 \u548c\u8868 4-7 \u6240\u793a\u3002<\/h3>\n<h3>\u8868 4-6 \u5b66\u751f\u901a\u4fe1\u5f55<\/h3>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u5b66\u53f7<\/th>\n<th>\u59d3\u540d<\/th>\n<th>\u7535\u8bdd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20030101<\/td>\n<td>\u5f20\u5c0f\u5a67<\/td>\n<td>1111<\/td>\n<\/tr>\n<tr>\n<td>20030102<\/td>\n<td>\u674e\u5927\u94a2<\/td>\n<td>2222<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u8868 4-7 \u5b66\u751f\u6210\u7ee9\u8868<\/h3>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u5b66\u53f7<\/th>\n<th>\u6210\u7ee9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20030101<\/td>\n<td>90<\/td>\n<\/tr>\n<tr>\n<td>20030102<\/td>\n<td>85<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u8868\u7684\u8bbe\u8ba1\u9700\u8981\u8bbe\u8ba1\u8005\u7684\u7ecf\u9a8c\u548c\u5bf9\u5177\u4f53\u7684\u6e05\u6670\u8ba4\u8bc6<\/strong>\uff0c\u9700\u8981\u540c\u5b66\u4eec\u5728\u5b9e\u8df5\u4e2d\u591a\u7ec3\u4e60\u3002<\/li>\n<\/ul>\n<h2>4.2.2 \u5b57\u6bb5\u4e0e\u8bb0\u5f55<\/h2>\n<h3>\u5b57\u6bb5\u548c\u8bb0\u5f55\u662f\u6570\u636e\u8868\u4e2d\u4e24\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\u3002\u8868\u4e2d\u6bcf\u4e00\u884c\u79f0\u4e3a\u4e00\u6761\u8bb0\u5f55\uff0c\u7528\u4e8e\u8868\u793a\u67d0\u4ef6\u7269\u4f53\u5404\u65b9\u9762\u7684\u5c5e\u6027\u3002\u5982\u901a\u4fe1\u5f55\u4e2d\u7684\u6bcf\u4f4d\u540c\u5b66\uff0c\u5728\u4e8c\u7ef4\u8868\u4e2d\u5360\u4e00\u884c\uff0c\u5c31\u662f\u4e00\u6761\u8bb0\u5f55\u3002\u56fe\u4e66\u6570\u636e\u8868\u4e2d\uff0c\u4e00\u672c\u4e66\u4e5f\u662f\u4e00\u6761\u8bb0\u5f55\u3002\u6839\u636e\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u4e0d\u540c\uff0c\u4e00\u5f20\u6570\u636e\u8868\u4e2d\u53ef\u4ee5\u5b58\u653e\u7684\u8bb0\u5f55\u6570\u53ef\u8fbe\u6570\u4ebf\u6761\u3002<\/h3>\n<h3>\u6570\u636e\u8868\u4e2d\u7684\u6570\u636e\u9879\u79f0\u4e3a\u5b57\u6bb5\uff0c\u5b57\u6bb5\u8868\u793a\u7269\u4f53\u67d0\u65b9\u9762\u7684\u6027\u8d28\uff0c\u5982\u5b66\u53f7\u3001\u59d3\u540d\u3001\u51fa\u751f\u65e5\u671f\u7b49\u3002\u5728 Access \u6570\u636e\u5e93\u4e2d\u89c4\u5b9a\u4e00\u5f20\u6570\u636e\u8868\u6700\u591a\u53ef\u4ee5\u6709 255 \u4e2a\u5b57\u6bb5\u3002\u6709\u5173\u8bb0\u5f55\u548c\u5b57\u6bb5\u7684\u4e3e\u4f8b\u5982\u56fe 4-3 \u6240\u793a\u3002<\/h3>\n<h3>\u6bcf\u4e2a\u5b57\u6bb5\u81f3\u5c11\u6709 4 \u4e2a\u5c5e\u6027\uff1a\u5b57\u6bb5\u540d\u3001\u5b57\u6bb5\u7c7b\u578b\u3001\u5b57\u6bb5\u957f\u5ea6\u548c\u5c0f\u6570\u4f4d\u6570\uff0c\u5373\u4ece\u8fd9\u56db\u4e2a\u65b9\u9762\u53bb\u5b9a\u4e49\u5b57\u6bb5\u3002<\/h3>\n<ul>\n<li><strong>\u5b57\u6bb5\u540d<\/strong>\u5c31\u662f\u5b57\u6bb5\u7684\u540d\u79f0\uff0c\u4e00\u822c\u53ef\u4ee5\u5305\u542b\u82f1\u6587\u5b57\u6bcd\u548c\u6570\u5b57\uff0c\u6709\u4e9b\u6570\u636e\u5e93\u4e5f\u652f\u6301\u6c49\u5b57\u4f5c\u4e3a\u5b57\u6bb5\u540d\u3002\u5982\u201cname\uff0caddress\uff0c\u59d3\u540d\uff0c\u5730\u5740\u201d\u7b49\u90fd\u662f\u5408\u6cd5\u7684\u5b57\u6bb5\u540d\u3002<\/li>\n<li><strong>\u4e0d\u540c\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\u6709\u6240\u533a\u522b<\/strong>\uff0c\u4f46\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u57fa\u672c\u4e0a\u652f\u6301\u5b57\u7b26\u578b\u3001\u6570\u503c\u578b\u3001\u65e5\u671f\u578b\u3001\u903b\u8f91\u578b\u8fd9 4 \u79cd\u7c7b\u578b\u3002\n<ul>\n<li><strong>\u5b57\u7b26\u578b\u5b57\u6bb5<\/strong>\uff1a\u4e00\u822c\u5b58\u653e\u5b57\u7b26\u578b\u6570\u636e\uff0c\u5982\u59d3\u540d\u3001\u5730\u5740\u7b49\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\u5bf9\u4e8e\u4e0d\u53c2\u52a0\u7b97\u672f\u8fd0\u7b97\u7684\u6570\u5b57\uff0c\u5982\u5b66\u53f7\u3001\u7535\u8bdd\u3001\u8eab\u4efd\u8bc1\u53f7\u7801\u7b49\u867d\u7136\u5f62\u5f0f\u4e0a\u662f\u6570\u5b57\uff0c\u4f46\u5b83\u4eec\u53ea\u662f\u4ee3\u8868\u7269\u4f53\u7684\u4e00\u4e2a\u7f16\u53f7\uff0c\u4e0d\u53c2\u52a0\u7b97\u672f\u8fd0\u7b97\uff0c\u5e94\u8be5\u8bbe\u4e3a\u5b57\u7b26\u578b\u5b57\u6bb5\u3002<\/li>\n<li><strong>\u6570\u503c\u578b\u5b57\u6bb5<\/strong>\uff1a\u7528\u4e8e\u5b58\u653e\u6570\u503c\u578b\u6570\u636e\uff0c\u5176\u4e2d\u5b58\u653e\u7684\u6570\u636e\u4e00\u822c\u662f\u7528\u4e8e\u6570\u503c\u8fd0\u7b97\u7684\uff0c\u5982\u5de5\u8d44\u3001\u6210\u7ee9\u3001\u8eab\u9ad8\u7b49\u3002<\/li>\n<li><strong>\u65e5\u671f\u578b\u5b57\u6bb5<\/strong>\uff1a\u7528\u4e8e\u5b58\u653e\u201c\u5e74-\u6708-\u65e5\u201d\u7b49\u65e5\u671f\u4fe1\u606f\uff0c\u6709\u4e9b\u7c7b\u578b\u7684\u6570\u636e\u5e93\u8fd8\u53ef\u4ee5\u5b58\u653e\u65f6\u95f4\u4fe1\u606f\u3002\u65e5\u671f\u578b\u5b57\u6bb5\u4e00\u822c\u7528\u4e8e\u5b58\u653e\u201c\u51fa\u751f\u65e5\u671f\u201d\u3001\u201c\u5165\u56e2\u65e5\u671f\u201d\u7b49\u4fe1\u606f\u3002<\/li>\n<li><strong>\u903b\u8f91\u578b\u5b57\u6bb5<\/strong>\uff1a\u7528\u4e8e\u5b58\u653e\u53ea\u6709\u4e24\u79cd\u7ed3\u679c\u7684\u6570\u636e\u4fe1\u606f\uff0c\u5982\u201c\u662f\u5426\u56e2\u5458\u201d\u53ea\u6709\u4e24\u79cd\u7ed3\u679c\uff0c\u8981\u4e48\u201c\u662f\u201d\uff0c\u8981\u4e48\u201c\u5426\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5728\u8bbe\u8ba1\u6570\u636e\u8868\u65f6<\/strong>\uff0c\u6700\u91cd\u8981\u7684\u662f\u89c4\u5212\u597d\u5b57\u6bb5\u7684\u7c7b\u578b\u3002\u7c7b\u578b\u8bbe\u8ba1\u4e0d\u5408\u7406\uff0c\u4f1a\u5bf9\u4ee5\u540e\u7684\u6570\u636e\u5e93\u8fd0\u7528\u5e26\u6765\u5f88\u591a\u9ebb\u70e6\uff0c\u5982\u5bf9\u201c\u5e74\u9f84\u201d\u4fe1\u606f\uff0c\u5e94\u8be5\u5c3d\u91cf\u9009\u62e9\u4e0e\u201c\u51fa\u751f\u65e5\u671f\u201d\u8fd9\u79cd\u65e5\u671f\u578b\u5b57\u6bb5\u8ba1\u7b97\u83b7\u5f97\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u4eba\u7684\u51fa\u751f\u65e5\u671f\u90fd\u662f\u56fa\u5b9a\u7684\u3002\u5982\u679c\u76f4\u63a5\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u6570\u503c\u578b\u201c\u5e74\u9f84\u201d\u5b57\u6bb5\uff0c\u5219\u660e\u5e74\u518d\u6765\u770b\u8fd9\u5f20\u6570\u636e\u8868\u5e74\u9f84\u4fe1\u606f\u5c31\u4e0d\u6b63\u786e\u4e86\u3002<\/li>\n<li><strong>\u5b57\u6bb5\u7684\u7b2c\u4e09\u3001\u56db\u4e2a\u5c5e\u6027\u662f\u5b57\u6bb5\u7684\u957f\u5ea6\u548c\u5c0f\u6570\u4f4d\u6570<\/strong>\uff0c\u6307\u5b57\u6bb5\u4e2d\u5141\u8bb8\u5b58\u653e\u7684\u6570\u636e\u7684\u6700\u5927\u957f\u5ea6\u548c\u6700\u591a\u5c0f\u6570\u4f4d\u6570\u3002\u5bf9\u4e8e\u5b57\u7b26\u578b\u5b57\u6bb5\u53ea\u6709\u5b57\u6bb5\u957f\u5ea6\u8fd9\u4e2a\u5c5e\u6027\uff0c\u6ca1\u6709\u5c0f\u6570\u4f4d\u6570\u5c5e\u6027\u3002\u8fd9\u4e24\u4e2a\u5c5e\u6027\u8981\u6839\u636e\u5b9e\u9645\u6570\u636e\u53ef\u80fd\u51fa\u73b0\u7684\u60c5\u51b5\uff0c\u8fdb\u884c\u5408\u7406\u8bbe\u8ba1\u3002\u5982\u4e2d\u56fd\u4eba\u7684\u59d3\u540d\u4e00\u822c\u53ea\u6709\u4e09\u4e2a\u6c49\u5b57\uff0c\u5c11\u6570\u590d\u59d3\u4e5f\u5c31\u56db\u4e2a\u6c49\u5b57\uff0c\u6240\u4ee5\u59d3\u540d\u5b57\u6bb5\u957f\u5ea6\u53ef\u4ee5\u8bbe\u8ba1\u4e3a 4\uff0c\u6709\u4e9b\u6570\u636e\u5e93\u4fe1\u606f\u7cfb\u7edf\u4e2d\u89c4\u5b9a\u4e00\u4e2a\u6c49\u5b57\u8981\u5360\u4e8c\u4f4d\u957f\u5ea6\uff0c\u5c31\u8bbe\u7f6e\u4e3a 8\uff0c\u59d3\u540d\u5b57\u6bb5\u6ca1\u5fc5\u8981\u8bbe\u8ba1\u4e3a\u66f4\u957f\u7684\u957f\u5ea6\u3002\u800c\u5bf9\u4e8e\u5730\u5740\u5b57\u6bb5\uff0c\u8003\u8651\u5230\u67d0\u4e9b\u5730\u5740\u53ef\u80fd\u6bd4\u8f83\u590d\u6742\uff0c\u5e94\u8be5\u628a\u5b57\u6bb5\u957f\u5ea6\u8bbe\u5f97\u5927\u4e00\u4e9b\u3002\u5bf9\u4e8e\u6570\u503c\u578b\u5b57\u6bb5\u5e94\u8be5\u8003\u8651\u5b57\u6bb5\u957f\u5ea6\u548c\u5c0f\u6570\u4f4d\u3002\u5982\u6210\u7ee9\u5b57\u6bb5\uff0c\u8003\u8651\u5230\u4e00\u822c\u60c5\u51b5\u4e0b\u6700\u9ad8\u5206\u4e3a 100\uff0c\u5373 3 \u4f4d\u6570\uff0c\u800c\u5c0f\u6570\u4f4d 1 \u4f4d\u5373\u53ef\uff0c\u6240\u4ee5\u5b57\u6bb5\u957f\u5ea6\u5e94\u8be5\u9ad8\u4e3a 5 \u4f4d\uff0c\u5c0f\u6570\u4f4d\u8bbe\u4e3a 1 \u4f4d\uff0c\u6ce8\u610f\u5b57\u6bb5\u957f\u5ea6\u4e2d\u5e94\u5305\u62ec\u5c0f\u6570\u70b9\u6240\u5360\u7684 1 \u4f4d\u3002\u73b0\u5728\u4e5f\u6709\u5f88\u591a\u6570\u636e\u5e93\u4e2d\uff0c\u5bf9\u6570\u503c\u578b\u5b57\u6bb5\u5df2\u7ecf\u4e0d\u592a\u63d0\u5b57\u6bb5\u957f\u5ea6\u548c\u5c0f\u6570\u4f4d\u4e86\uff0c\u800c\u662f\u7528\u6574\u5f62\u3001\u957f\u6574\u5f62\u3001\u5355\u7cbe\u5ea6\u3001\u53cc\u7cbe\u5ea6\u6765\u8868\u793a\u6570\u7684\u8303\u56f4\u3002<\/li>\n<\/ul>\n<h2>\u601d\u8003\u4e0e\u4e60\u9898<\/h2>\n<h3>\u4e00\u3001\u5355\u9879\u9009\u62e9\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u5728\u4e8c\u7ef4\u8868\u4e2d\uff0c\u6bcf\u4e00\u884c\u79f0\u4e3a<\/strong> \u3002<\/p>\n<ul>\n<li>A. \u4e00\u6761\u8bb0\u5f55<\/li>\n<li>B. \u4e00\u4e2a\u5b57\u6bb5<\/li>\n<li>C. \u4e00\u6761\u4fe1\u606f<\/li>\n<li>D. \u4e00\u4e2a\u5173\u7cfb<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5728\u4e8c\u7ef4\u8868\u4e2d\uff0c\u6bcf\u4e00\u5217\u79f0\u4e3a<\/strong> \u3002<\/p>\n<ul>\n<li>A. \u4e00\u6761\u8bb0\u5f55<\/li>\n<li>B. \u4e00\u4e2a\u5b57\u6bb5<\/li>\n<li>C. \u4e00\u6761\u4fe1\u606f<\/li>\n<li>D. \u4e00\u4e2a\u5173\u7cfb<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5728\u8bbe\u8ba1\u6570\u636e\u8868\u65f6\uff0c\u201c\u59d3\u540d\u201d\u5b57\u6bb5\u4e00\u822c\u5e94\u8bbe\u7f6e\u4e3a<\/strong> \u5c5e\u6027\u3002<\/p>\n<ul>\n<li>A. \u5b57\u7b26\u578b<\/li>\n<li>B. \u6570\u503c\u578b<\/li>\n<li>C. \u65e5\u671f\u578b<\/li>\n<li>D. \u903b\u8f91\u578b<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u4ee5\u4e0b\u5173\u4e8e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u4e8c\u7ef4\u8868\u6027\u8d28\u7684\u8bf4\u6cd5\u4e0d\u6b63\u786e\u7684\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. \u4e8c\u7ef4\u8868\u4e2d\u7684\u6bcf\u4e00\u5217\u5747\u6709\u552f\u4e00\u7684\u5b57\u6bb5\u540d<\/li>\n<li>B. \u4e8c\u7ef4\u8868\u4e2d\u7684\u8bb0\u5f55\u6570\u3001\u5b57\u6bb5\u6570\u51b3\u5b9a\u4e86\u4e8c\u7ef4\u8868\u7684\u7ed3\u6784<\/li>\n<li>C. \u4e8c\u7ef4\u8868\u4e2d\u7684\u884c\u3001\u5217\u5747\u53ef\u4ee5\u6539\u53d8<\/li>\n<li>D. \u4e8c\u7ef4\u8868\u4e2d\u4e0d\u5141\u8bb8\u51fa\u73b0\u5b8c\u5168\u76f8\u540c\u7684\u4e24\u884c<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u4e0b\u5217\u5173\u4e8e\u6570\u636e\u8868\u53d9\u8ff0\u9519\u8bef\u7684\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. \u6570\u636e\u8868\u662f\u5b9e\u9645\u5b58\u653e\u6570\u636e\u7684\u5730\u65b9<\/li>\n<li>B. \u6bcf\u5f20\u6570\u636e\u8868\u4e2d\u5e94\u8be5\u5305\u542b\u91cd\u590d\u7684\u6570\u636e<\/li>\n<li>C. \u6bcf\u5f20\u8868\u53ea\u5305\u542b\u4e00\u4e2a\u4e3b\u9898\u4fe1\u606f<\/li>\n<li>D. \u8bbe\u8ba1\u6570\u636e\u8868\u65f6\uff0c\u6700\u91cd\u8981\u7684\u662f\u89c4\u5212\u597d\u5b57\u6bb5\u7684\u7c7b\u578b<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\uff0c\u6570\u636e\u7684\u6700\u5c0f\u8bbf\u95ee\u5355\u4f4d\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. \u8bb0\u5f55<\/li>\n<li>B. \u5b57\u6bb5<\/li>\n<li>C. \u5b57\u8282<\/li>\n<li>D. \u8868<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u4e8c\u3001\u586b\u7a7a\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u5199\u51fa\u4ee5\u4e0b\u5b57\u6bb5\u5e94\u8be5\u9009\u62e9\u7684\u5b57\u6bb5\u7c7b\u578b<\/strong>\uff1a<\/p>\n<ul>\n<li>\u59d3\u540d\uff1a\u5b57\u7b26\u578b<\/li>\n<li>\u6210\u7ee9\uff1a\u6570\u503c\u578b<\/li>\n<li>\u8eab\u9ad8\uff1a\u6570\u503c\u578b<\/li>\n<li>\u7535\u8bdd\u53f7\u7801\uff1a\u5b57\u7b26\u578b<\/li>\n<li>\u8bed\u6587\u6210\u7ee9\uff1a\u6570\u503c\u578b<\/li>\n<li>\u5730\u5740\uff1a\u5b57\u7b26\u578b<\/li>\n<li>\u51fa\u751f\u65e5\u671f\uff1a\u65e5\u671f\u578b<\/li>\n<li>\u662f\u5426\u56e2\u5458\uff1a\u903b\u8f91\u578b<\/li>\n<li>\u4e66\u540d\uff1a\u5b57\u7b26\u578b<\/li>\n<li>\u56fe\u4e66\u7f16\u53f7\uff1a\u5b57\u7b26\u578b<\/li>\n<li>\u5de5\u8d44\uff1a\u6570\u503c\u578b<\/li>\n<li>\u8fdb\u6821\u65f6\u95f4\uff1a\u65e5\u671f\u578b<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u8868\u4e2d\u5b57\u6bb5\u6700\u5e38\u7528\u7684\u6709<\/strong> \u5b57\u7b26\u578b\u3001\u6570\u503c\u578b\u3001\u65e5\u671f\u578b\u548c\u903b\u8f91\u578b 4 \u79cd\u7c7b\u578b\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u4e09\u3001\u5224\u65ad\u9898\uff08\u6b63\u786e\u7684\u6253\u201c\u221a\u201d\uff0c\u9519\u8bef\u7684\u6253\u201c\u00d7\u201d\uff09<\/h3>\n<ol>\n<li>\u6570\u636e\u5e93\u4e2d\u5b9e\u9645\u5b58\u653e\u6570\u636e\u7684\u5730\u65b9\u662f\u8868\u3002<\/li>\n<li>\u6bcf\u5f20\u6570\u636e\u8868\u4e2d\u5e94\u53ea\u5305\u542b\u4e00\u4e2a\u4e3b\u9898\u3002<\/li>\n<li>\u6570\u636e\u8868\u4e2d\u7684\u6570\u636e\u9879\u79f0\u4e3a\u8bb0\u5f55\uff0c\u8bb0\u5f55\u8868\u793a\u7269\u4f53\u67d0\u65b9\u9762\u7684\u6027\u8d28\u3002<\/li>\n<li>\u5b66\u53f7\u3001\u7535\u8bdd\u3001\u8eab\u4efd\u8bc1\u53f7\u7801\u7b49\u4fe1\u606f\u4e00\u822c\u7528\u6570\u503c\u578b\u5b57\u6bb5\u6765\u8868\u793a\u3002<\/li>\n<\/ol>\n<h2>4.3 SQL \u6570\u636e\u5b9a\u4e49\u548c\u6570\u636e\u67e5\u8be2<\/h2>\n<h3>SQL \u5168\u79f0\u662f\u201c\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff08Structured Query Language\uff09\u201d\uff0c\u6700\u65e9\u662f\u7531\u7f8e\u56fd IBM \u516c\u53f8\u7684\u5723\u7ea6\u745f\u7814\u7a76\u5b9e\u9a8c\u5ba4\u4e3a\u5176\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf SYSTEM R \u5f00\u53d1\u7684\u4e00\u79cd\u67e5\u8be2\u8bed\u8a00\u3002SQL \u8bed\u8a00\u7ed3\u6784\u7b80\u6d01\uff0c\u529f\u80fd\u5f3a\u5927\uff0c\u7b80\u5355\u6613\u5b66\uff0c\u6240\u4ee5\u81ea\u4ece IBM \u516c\u53f8 1981 \u5e74\u63a8\u51fa SQL \u8bed\u8a00\u4ee5\u6765\uff0c\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u5982\u4eca\u65e0\u8bba\u662f\u50cf Oracle\u3001SQL server\u3001MYSQL \u8fd9\u4e9b\u5927\u578b\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u8fd8\u662f\u50cf Access \u7b49\u5c0f\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u90fd\u652f\u6301 SQL \u8bed\u8a00\u4f5c\u4e3a\u6570\u636e\u5e93\u64cd\u4f5c\u8bed\u8a00\u3002\u672c\u8282\u8d77\uff0c\u5b66\u4e60 SQL \u57fa\u672c\u8bed\u53e5\u3002<\/h3>\n<ul>\n<li><strong>\u672c\u8282\u5b66\u4e60\u4efb\u52a1<\/strong>\uff1a\u638c\u63e1\u521b\u5efa\u6570\u636e\u8868\u8bed\u53e5 CREATE\u3001\u67e5\u8be2\u8bed\u53e5 SELECT\u3002<\/li>\n<\/ul>\n<h2 class=\"last-node\">4.3.1 \u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00 SQL<\/h2>\n<h3>1989 \u5e74\uff0c\u7f8e\u56fd ANSI\uff08American National Standards Institute \u7f8e\u56fd\u56fd\u5bb6\u6807\u51c6\u534f\u4f1a\uff09\u5b9a\u4e49\u7684\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e3a SQL \u6807\u51c6\u8bed\u8a00\uff0c\u79f0\u4e3a ANSI SQL 89\uff0c\u76ee\u524d\uff0c\u6240\u6709\u4e3b\u8981\u7684\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u90fd\u57fa\u672c\u9075\u5b88\u8be5\u6807\u51c6\uff0c\u5e76\u5728\u6b64\u57fa\u7840\u4e0a\u6709\u6240\u6269\u5c55\uff0c\u4e0d\u540c\u7684\u4ea7\u54c1\u5404\u6709\u5dee\u5f02\uff0c\u4f7f\u7528\u5177\u4f53\u67d0\u79cd\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u65f6\u9700\u8981\u53c2\u7167\u7cfb\u7edf\u63d0\u4f9b\u7684\u8bed\u6cd5\u624b\u518c\u3002<\/h3>\n<ul>\n<li><strong>SQL \u88ab\u5404\u79cd\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u5e7f\u6cdb\u5730\u91c7\u7528<\/strong>\uff0c\u6210\u4e3a\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u901a\u7528\u8bed\u8a00\uff0c\u6b63\u8bf4\u660e\u4e86 SQL \u6709\u8bb8\u591a\u4f18\u70b9\u3002\u4e3b\u8981\u8868\u73b0\u5728\u4ee5\u4e0b\u4e09\u70b9\uff0c\u9996\u5148\uff0cSQL \u4e3a\u975e\u8fc7\u7a0b\u5316\u8bed\u8a00\uff0cSQL \u662f\u4e00\u4e2a\u975e\u8fc7\u7a0b\u5316\u7684\u8bed\u8a00\uff0c\u4e5f\u5c31\u662f\u8bf4\u5b83\u5e76\u4e0d\u9700\u8981\u50cf QBASIC \u90a3\u6837\u7f16\u7a0b\uff0cSQL \u5c31\u50cf\u8ddf\u8001\u670b\u53cb\u804a\u5929\u4f3c\u7684\uff0c\u4f60\u6253\u4e00\u6761\u547d\u4ee4\uff0c\u6570\u636e\u5e93\u5c31\u4f1a\u663e\u793a\u7ed3\u679c\uff0c\u5728 SQL \u64cd\u4f5c\u4e2d\u6ca1\u6709\u5224\u65ad\u8bed\u53e5\uff0c\u6ca1\u6709\u5faa\u73af\u8bed\u53e5\u3002\u5176\u6b21\uff0cSQL \u62e5\u6709\u6781\u5c11\u7684\u547d\u4ee4\uff0c\u901a\u8fc7 SQL \u64cd\u4f5c\u6570\u636e\u5e93\u53ea\u9700\u8981\u638c\u63e1\u6781\u5c11\u7684\u51e0\u6761\u547d\u4ee4\u5373\u53ef\uff0c\u5305\u62ec\u67e5\u8be2\u6570\u636e\u7684 SELECT \u547d\u4ee4\u3001\u6dfb\u52a0\u6570\u636e\u7684 INSERT \u547d\u4ee4\u3001\u4fee\u6539\u6570\u636e\u7684 UPDATE \u547d\u4ee4\u3001\u5220\u9664\u6570\u636e\u7684 DELETE \u547d\u4ee4\u548c\u5efa\u5e93\u5efa\u8868\u7684 CREATE \u547d\u4ee4\u3002\u7b2c\u4e09\uff0cSQL \u6709\u6781\u5e7f\u7684\u5e94\u7528\u573a\u5408\uff0c\u7531\u4e8e\u6240\u6709\u4e3b\u8981\u7684\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u90fd\u652f\u6301 SQL \u8bed\u8a00\uff0c\u7528\u6237\u53ef\u5c06\u4f7f\u7528 SQL \u6280\u80fd\u4ece\u4e00\u4e2a\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u8f6c\u5230\u53e6\u4e00\u4e2a\u3002\u6240\u6709\u7528 SQL \u7f16\u5199\u7684\u8bed\u53e5\u90fd\u662f\u53ef\u4ee5\u79fb\u690d\u7684\u3002<\/li>\n<\/ul>\n<h3>\u5b8c\u6574\u7684 SQL \u8bed\u8a00\u4e3b\u8981\u5305\u542b\u4ee5\u4e0b\u56db\u4e2a\u90e8\u5206\uff1a<\/h3>\n<ol>\n<li><strong>\u6570\u636e\u67e5\u8be2\u8bed\u53e5 SELECT<\/strong>\uff1b<\/li>\n<li><strong>\u6570\u636e\u64cd\u7eb5\u8bed\u53e5 INSERT\uff0cUPDATE\uff0cDELETE<\/strong>\uff1b<\/li>\n<li><strong>\u6570\u636e\u5b9a\u4e49\u8bed\u53e5 CREATE\uff0cALTER\uff0cDROP<\/strong>\uff1b<\/li>\n<li><strong>\u6570\u636e\u63a7\u5236\u8bed\u53e5 COMMIT WORK\uff0cROLLBACK WORK<\/strong>\u3002<\/li>\n<\/ol>\n<h2>4.3.2 \u521b\u5efa\u6570\u636e\u5e93\u6570\u636e\u8868<\/h2>\n<h3>\u6570\u636e\u5e93\u7684\u521b\u5efa\u662f\u6570\u636e\u7ba1\u7406\u7684\u57fa\u7840\uff0c\u800c\u8868\u662f\u6570\u636e\u5e93\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u6570\u636e\u5e93\u53ca\u8868\u7684\u521b\u5efa\u5747\u7531 CREATE \u8bed\u53e5\u5b8c\u6210\u3002<\/h3>\n<ul>\n<li>\n<p><strong>\u521b\u5efa\u6570\u636e\u5e93\u683c\u5f0f<\/strong>\uff1aCREATE DATABASE \u6570\u636e\u5e93\u540d<\/p>\n<ul>\n<li><strong>\u4f8b 1<\/strong>\uff1aCREATE DATABASE \u5b66\u751f\u6863\u6848\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u65b0\u5efa\u4e00\u4e2a\u540d\u4e3a\u201c\u5b66\u751f\u6863\u6848\u201d\u7684\u6570\u636e\u5e93<\/li>\n<li><strong>\u6ce8\u610f<\/strong>\uff1a\u4e0d\u540c\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u521b\u5efa\u6570\u636e\u5e93\u7684\u8bed\u6cd5\u683c\u5f0f\u4e0d\u5c3d\u76f8\u540c\uff0c\u751f\u6210\u7684\u6570\u636e\u5e93\u4e5f\u4e0d\u4e00\u6837\uff0c\u5982 Access \u4e2d\u4e0d\u80fd\u7528\u547d\u4ee4\u751f\u6210\u6570\u636e\u5e93\uff0cMySQL \u4e2d\u4e00\u4e2a\u6570\u636e\u5e93\u5bf9\u5e94\u78c1\u76d8\u4e0a\u7684\u4e00\u4e2a\u76ee\u5f55\uff0c\u76ee\u5f55\u4e2d\u542b\u4e00\u7ec4\u4e0e\u6570\u636e\u8868\u540c\u540d\u7684\u6587\u4ef6\uff0cSQL Server \u751f\u6210\u7684\u6570\u636e\u5e93\u81f3\u5c11\u5305\u542b\u4e00\u4e2a\u4e3b\u8981\u6570\u636e\u6587\u4ef6.mdf \u548c\u4e00\u4e2a\u4e8b\u52a1\u65e5\u5fd7\u6587\u4ef6.ldf\uff0c\u6587\u4ef6\u540d\u53ca\u76f8\u5173\u914d\u7f6e\u7531\u7528\u6237\u5b9a\u4e49\u3002\u6709\u4e9b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u80fd\u76f4\u63a5\u521b\u5efa\u4e2d\u6587\u6570\u636e\u5e93\u540d\uff0c\u4f46\u6709\u4e9b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u5fc5\u987b\u7ecf\u8fc7\u76f8\u5173\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e\u540e\u624d\u884c\uff0c\u5efa\u8bae\u540c\u5b66\u4eec\u5728\u5e73\u65f6\u521b\u5efa\u6570\u636e\u5e93\u65f6\uff0c\u5c3d\u91cf\u7528\u82f1\u6587\u6570\u636e\u5e93\u540d\u3002\u6709\u4e9b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\u6570\u636e\u5e93\u521b\u5efa\u597d\u4e86\u4ee5\u540e\uff0c\u5e76\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\uff0c\u8fd8\u5fc5\u987b\u7528\u76f8\u5e94\u7684\u547d\u4ee4\u6765\u6253\u5f00\u8be5\u6570\u636e\u5e93\uff0c\u624d\u80fd\u5bf9\u8be5\u6570\u636e\u5e93\u8fdb\u884c\u64cd\u4f5c\uff0c\u6bd4\u5982 MySQL \u4e2d\u8fd8\u5fc5\u987b\u7528 USE \u547d\u4ee4\u6765\u6253\u5f00\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u521b\u5efa\u8868\u683c\u5f0f<\/strong>\uff1aCREATE TABLE \u6570\u636e\u8868\u540d (\u5b57\u6bb51 \u5b57\u6bb5\u7c7b\u578b [NOT NULL] [PRIMARY KEY]\uff0c\u5b57\u6bb52 \u5b57\u6bb5\u7c7b\u578b [NOT NULL] [PRIMARY KEY]\uff0c\u2026\u2026)<\/p>\n<ul>\n<li><strong>\u5728 ACCESS \u4e2d\uff0c\u5e38\u89c1\u7684\u5b57\u6bb5\u7c7b\u578b\u5982\u8868 4-8 \u6240\u793a\uff0c\u4e3e\u4f8b\u4e3a\u6b64\u4e3a\u51c6<\/strong>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u8868 4-8 \u5e38\u89c1\u7684\u6570\u636e\u5e93\u5b57\u6bb5\u7c7b\u578b<\/h3>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u6570\u636e\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Int<\/td>\n<td>4 \u4e2a\u5b57\u8282, \u957f\u578b\u6574\u6570<\/td>\n<\/tr>\n<tr>\n<td>Real<\/td>\n<td>4 \u4e2a\u5b57\u8282\u5355\u7cbe\u5ea6\u6d6e\u70b9\u503c<\/td>\n<\/tr>\n<tr>\n<td>Float<\/td>\n<td>8 \u4e2a\u5b57\u8282\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u503c<\/td>\n<\/tr>\n<tr>\n<td>Char[(n)]<\/td>\n<td>\u53c2\u6570\u7701\u7565\u9ed8\u8ba4\u957f\u5ea6\u4e3a 255\uff0c\u5b58\u50a8\u7684\u5b57\u7b26\u4e32\u957f\u5ea6\u4e0d\u8db3 n \u65f6\uff0c\u7528\u7a7a\u683c\u8865\u8db3\uff0c\u8d85\u8fc7 n \u81ea\u52a8\u622a\u65ad<\/td>\n<\/tr>\n<tr>\n<td>Varchar[(n)]<\/td>\n<td>Varchar(n)\u7684\u957f\u5ea6\u4e3a\u5b9e\u9645\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u7684\u4e2a\u6570, \u53c2\u6570\u7701\u7565\u9ed8\u8ba4\u957f\u5ea6\u4e3a 255<\/td>\n<\/tr>\n<tr>\n<td>Datetime<\/td>\n<td>\u65e5\u671f\u578b\uff0c\u7cbe\u786e\u5230\u79d2<\/td>\n<\/tr>\n<tr>\n<td>Bit<\/td>\n<td>\u8be5\u5b57\u6bb5\u53ea\u80fd\u53d6 0\uff0c1 \u8fd9\u4e24\u4e2a\u503c\u4e2d\u7684\u4e00\u4e2a\uff0c\u4e0d\u80fd\u4e3a\u7a7a\uff0c\u76f8\u5f53\u4e8e\u903b\u8f91\u578b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u4f8b 2<\/strong>\uff1aCREATE TABLE \u5b66\u751f\u6210\u7ee9 \uff08\u59d3\u540d VARCHAR\uff0c\u8bed\u6587 REAL\uff0c \u6570\u5b66 REAL\uff0c\u82f1\u8bed REAL\uff09\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u521b\u5efa\u4e00\u5f20\u540d\u4e3a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u7684\u6570\u636e\u8868\uff0c\u8868\u4e2d\u201c\u59d3\u540d\u201d\u5b57\u6bb5\u4e3a\u53ef\u53d8\u957f\u5ea6\u7684\u5b57\u7b26\u578b\uff0c\u201c\u8bed\u6587\u201d\u3001\u201c\u6570\u5b66\u201d\u3001\u201c\u82f1\u8bed\u201d\u5b57\u6bb5\u5747\u4e3a\u5355\u7cbe\u5ea6\u578b\u3002\u201c\u59d3\u540d\u201d\u5b57\u6bb5\u957f\u5ea6\u7f3a\u7701\uff0c\u53d6\u9ed8\u8ba4\u503c 255\uff0c\u5b9e\u9645\u957f\u5ea6\u80fd\u81ea\u52a8\u6839\u636e\u201c\u59d3\u540d\u201d\u5b57\u6bb5\u5185\u5bb9\u8c03\u6574\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 3<\/strong>\uff1aCREATE TABLE \u5b66\u751f\u5bb6\u5ead\u4f4f\u5740 \uff08\u5b66\u53f7 CHAR\uff088\uff09 PRIMARY KEY\uff0c\u59d3\u540d VARCHAR\uff0c\u5bb6\u5ead\u4f4f\u5740 VARCHAR\uff09\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u521b\u5efa\u4e00\u5f20\u540d\u4e3a\u201c\u5b66\u751f\u5bb6\u5ead\u4f4f\u5740\u201d\u7684\u6570\u636e\u8868\uff0c\u8868\u4e2d\u201c\u5b66\u53f7\u201d\u5b57\u6bb5\u4e3a\u56fa\u5b9a 8 \u4e2a\u5b57\u7b26\u957f\u5ea6\u5b57\u7b26\u578b\uff0c\u4e14\u4e3a\u4e3b\u952e\uff0c\u201c\u59d3\u540d\u201d\u3001\u201c\u5bb6\u5ead\u4f4f\u5740\u201d\u5b57\u6bb5\u4e3a\u53ef\u53d8\u957f\u5ea6\u7684\u5b57\u7b26\u578b\uff0c\u5b57\u6bb5\u957f\u5ea6\u7f3a\u7701\uff0c\u53d6\u9ed8\u8ba4\u503c 255\u3002<\/li>\n<li><strong>\u4e3b\u952e\u7684\u610f\u601d<\/strong>\u662f\u8be5\u5b57\u6bb5\u7684\u5185\u5bb9\u5fc5\u987b\u662f\u552f\u4e00\u7684\uff0c\u5373\u5728\u8fd9\u5f20\u6570\u636e\u8868\u4e2d\uff0c\u5b66\u53f7\u4e0d\u53ef\u4ee5\u91cd\u590d\uff0c\u4e00\u822c\u5728\u5b9a\u4e49\u6570\u636e\u8868\u65f6\uff0c\u5e94\u8be5\u6307\u5b9a\u4e00\u4e2a\u5b57\u6bb5\u4e3a\u4e3b\u952e\u5b57\u6bb5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 4<\/strong>\uff1aCREATE TABLE \u5b66\u751f\u6863\u6848 \uff08\u59d3\u540d VARCHAR\uff088\uff09\uff0c\u51fa\u751f\u65e5\u671f DATETIME\uff0c\u662f\u5426\u56e2\u5458 BIT NOT NULL\uff09\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u521b\u5efa\u4e00\u5f20\u540d\u4e3a\u201c\u5b66\u751f\u6863\u6848\u201d\u7684\u6570\u636e\u8868\uff0c\u8868\u4e2d\u201c\u59d3\u540d\u201d\u5b57\u6bb5\u4e3a\u53ef\u53d8 8 \u4f4d\u957f\u5ea6\u7684\u5b57\u7b26\u578b\uff0c\u201c\u51fa\u751f\u65e5\u671f\u201d\u5b57\u6bb5\u4e3a\u65e5\u671f\u578b\uff0c\u201c\u662f\u5426\u56e2\u5458\u201d\u4e3a BIT \u7c7b\u578b\uff0c\u4e0d\u5141\u8bb8\u4e3a\u7a7a\u3002<\/li>\n<li><strong>\u6ce8\u610f<\/strong>\uff1a\u4e0d\u540c\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u6240\u7528\u7684\u6570\u636e\u7c7b\u578b\u4e5f\u4e0d\u5c3d\u76f8\u540c\uff0c\u6570\u636e\u7c7b\u578b\u7684\u4f7f\u7528\u683c\u5f0f\u4e5f\u4e0d\u4e00\u6837\uff0c\u4e0a\u8ff0\u6570\u636e\u7c7b\u578b\u4ee5 Access \u7684\u5e38\u7528\u6570\u636e\u7c7b\u578b\u4e3a\u4f8b\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7c7b\u578b\u6765\u786e\u5b9a\u6570\u636e\u7c7b\u578b\u683c\u5f0f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4.3.3 \u7b80\u5355\u67e5\u8be2<\/h2>\n<h3>\u6570\u636e\u5e93\u5efa\u7acb\u5b8c\u6210\u540e\uff0c\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u662f SQL \u8bed\u8a00\u4e2d\u6700\u91cd\u8981\u5e94\u7528\uff0c\u4e5f\u662f\u529f\u80fd\u6700\u4e30\u5bcc\u3001\u4f7f\u7528\u6700\u590d\u6742\u7684\u4e00\u6761\u547d\u4ee4\uff0c\u5373 SELECT \u8bed\u53e5\u3002<\/h3>\n<ul>\n<li>\n<p><strong>SELECT \u7684\u5b8c\u6574\u683c\u5f0f<\/strong>\uff1a<\/p>\n<ul>\n<li>SELECT \u5b57\u6bb5\u540d\uff0c\u2026\u2026\uff5c*<\/li>\n<li>[FROM \u6570\u636e\u8868\u540d\u79f0]<\/li>\n<li>[WHERE \u6761\u4ef6\u8868\u8fbe\u5f0f]<\/li>\n<li>[GROUP BY \u5b57\u6bb5\u540d]<\/li>\n<li>[HAVING \u6761\u4ef6\u8868\u8fbe\u5f0f]<\/li>\n<li>[ORDER BY \u5b57\u6bb5\u540d [ASC|DESC]\uff0c\u2026\u2026]<\/li>\n<li>\u8fd9\u91cc[ ]\u4e4b\u95f4\u7684\u5185\u5bb9\u53ef\u4ee5\u7701\u7565\uff0c\u5f53\u540c\u65f6\u4f7f\u7528\u591a\u4e2a\u5b50\u53e5\u65f6\uff0c\u5fc5\u987b\u6309\u6307\u5b9a\u7684\u987a\u5e8f\u4e66\u5199\uff0c\u5982 GROUP BY \u5b50\u53e5\u5fc5\u987b\u5199\u5728 WHERE \u5b50\u53e5\u7684\u540e\u9762\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>SELECT \u8bed\u53e5\u7684\u5b8c\u6574\u683c\u5f0f\u975e\u5e38\u590d\u6742<\/strong>\uff0c\u9996\u5148\u5b66\u4e60\u4e00\u4e0b SELECT \u8bed\u53e5\u7684\u57fa\u672c\u683c\u5f0f\u3002<\/p>\n<ul>\n<li><strong>\u57fa\u672c\u683c\u5f0f<\/strong>\uff1aSELECT \u5b57\u6bb5\u540d 1\uff0c\u5b57\u6bb5\u540d 2\uff0c\u2026\u2026 FROM \u6570\u636e\u8868\u540d\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u628a\u6570\u636e\u8868\u4e2d\u6ee1\u8db3\u6761\u4ef6\u7684\u8bb0\u5f55\u6216\u8bb0\u5f55\u4e2d\u7684\u67d0\u51e0\u4e2a\u5b57\u6bb5\u4fe1\u606f\u663e\u793a\u51fa\u6765\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u5047\u8bbe\uff0c\u5b58\u5728\u5982\u8868 4-9 \u6240\u793a\u7684\u6570\u636e\u8868\uff0c\u6570\u636e\u8868\u540d\u79f0\u4e3a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u3002<\/h3>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u59d3\u540d<\/th>\n<th>\u8bed\u6587<\/th>\n<th>\u6570\u5b66<\/th>\n<th>\u82f1\u8bed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5f20\u534e<\/td>\n<td>95<\/td>\n<td>100<\/td>\n<td>70<\/td>\n<\/tr>\n<tr>\n<td>\u738b\u5f3a\u5cf0<\/td>\n<td>90<\/td>\n<td>80<\/td>\n<td>85<\/td>\n<\/tr>\n<tr>\n<td>\u5468\u9752<\/td>\n<td>90<\/td>\n<td>95<\/td>\n<td>85<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u4f8b 5<\/strong>\uff1aSELECT \u59d3\u540d\uff0c\u8bed\u6587 FROM \u5b66\u751f\u6210\u7ee9\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u6240\u6709\u8bb0\u5f55\u7684\u59d3\u540d\u548c\u8bed\u6587\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u59d3\u540d<\/th>\n<th>\u8bed\u6587<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5f20\u534e<\/td>\n<td>95<\/td>\n<\/tr>\n<tr>\n<td>\u738b\u5f3a\u5cf0<\/td>\n<td>90<\/td>\n<\/tr>\n<tr>\n<td>\u5468\u9752<\/td>\n<td>90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u4f8b 6<\/strong>\uff1aSELECT \u59d3\u540d\uff0c\u8bed\u6587\uff0c\u6570\u5b66\uff0c\u82f1\u8bed\uff0c\u8bed\u6587+\u6570\u5b66+\u82f1\u8bed AS \u603b\u5206 FROM \u5b66\u751f\u6210\u7ee9\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u6240\u6709\u8bb0\u5f55\u7684\u59d3\u540d\u3001\u8bed\u6587\u3001\u6570\u5b66\u3001\u82f1\u8bed\u548c\u603b\u5206\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u59d3\u540d<\/th>\n<th>\u8bed\u6587<\/th>\n<th>\u6570\u5b66<\/th>\n<th>\u82f1\u8bed<\/th>\n<th>\u603b\u5206<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5f20\u534e<\/td>\n<td>95<\/td>\n<td>100<\/td>\n<td>70<\/td>\n<td>265<\/td>\n<\/tr>\n<tr>\n<td>\u738b\u5f3a\u5cf0<\/td>\n<td>90<\/td>\n<td>80<\/td>\n<td>85<\/td>\n<td>255<\/td>\n<\/tr>\n<tr>\n<td>\u5468\u9752<\/td>\n<td>90<\/td>\n<td>95<\/td>\n<td>85<\/td>\n<td>270<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u5728\u8fd9\u513f\u4f7f\u7528\u201c\u8868\u8fbe\u5f0f AS \u540d\u79f0\u201d\u6765\u751f\u6210\u4e00\u4e2a\u4e34\u65f6\u5b57\u6bb5\u540d<\/strong>\u3002\u7531\u6b64\u53ef\u89c1\uff0cSELECT \u8bed\u53e5\u6709\u8ba1\u7b97\u529f\u80fd\uff0c\u53ef\u4ee5\u6839\u636e\u539f\u6709\u5b57\u6bb5\u751f\u6210\u65b0\u7684\u5b57\u6bb5\u3002\u5728\u5b9e\u9645\u7684\u6570\u636e\u8868\u8bbe\u8ba1\u4e2d\uff0c\u4e0d\u5efa\u8bae\u5728\u6570\u636e\u8868\u4e2d\u8bbe\u7f6e\u603b\u5206\u5b57\u6bb5\uff0c\u56e0\u4e3a\u603b\u5206\u4fe1\u606f\u5b8c\u5168\u53ef\u4ee5\u7531\u8bed\u6587\u3001\u6570\u5b66\u3001\u82f1\u8bed\u4e09\u79d1\u6210\u7ee9\u8ba1\u7b97\u5f97\u5230\uff0c\u800c\u5982\u679c\u8bbe\u7f6e\u4e86\u603b\u5206\u5b57\u6bb5\uff0c\u90a3\u4e48\u8bed\u6587\u3001\u6570\u5b66\u3001\u82f1\u8bed\u4e09\u79d1\u6210\u7ee9\u4e00\u65e6\u4fee\u6539\u7684\u8bdd\uff0c\u90a3\u4e48\u603b\u5206\u5b57\u6bb5\u4e2d\u7684\u503c\u5c31\u4e0d\u6b63\u786e\u4e86\u3002<\/li>\n<li><strong>\u4f8b 7<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9\n<ul>\n<li class=\"last-node\"><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u7684\u5168\u90e8\u4fe1\u606f\n<p>\uff0c\u5373\u5982\u8868 4-9 \u6240\u793a\u3002\u8fd9\u513f\u53ef\u4ee5\u4f7f\u7528\u201c*\u201d\u4ee3\u8868\u6240\u6709\u5b57\u6bb5\u3002<\/p>\n<h2>4.3.4 \u6761\u4ef6\u67e5\u8be2<\/h2>\n<h3>\u5f53\u9700\u8981\u663e\u793a\u90e8\u5206\u8bb0\u5f55\u4fe1\u606f\u65f6\uff0c\u6bd4\u5982\u53ea\u663e\u793a\u201c\u8bed\u6587\u5927\u4e8e 80 \u5206\u201d\u7684\u8bb0\u5f55\u65f6\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u52a0\u6761\u4ef6\uff0c\u53ef\u4ee5\u901a\u8fc7 WHERE \u6761\u4ef6\u5b50\u53e5\u6765\u5b9e\u73b0\u6761\u4ef6\u67e5\u8be2\u3002<\/h3>\n<ul>\n<li><strong>\u201c\u6761\u4ef6\u5b50\u53e5\u201d\u662f\u6307\u7528\u5173\u7cfb\u8fd0\u7b97\u7b26\u548c\u903b\u8f91\u8fd0\u7b97\u7b26\u7ec4\u6210\u7684\u8868\u8fbe\u5f0f<\/strong>\u3002\n<ul>\n<li><strong>\u5173\u7cfb\u8fd0\u7b97\u7b26\u6709 6 \u4e2a<\/strong>\uff0c\u5206\u522b\u662f\uff1a\u5927\u4e8e\u4e3a\u201c&gt;\u201d\uff0c\u5c0f\u4e8e\u4e3a\u201c&lt;\u201d\uff0c\u7b49\u4e8e\u4e3a\u201c=\u201d\uff0c\u5927\u4e8e\u7b49\u4e8e\u4e3a\u201c&gt;=\u201d\uff0c\u5c0f\u4e8e\u7b49\u4e8e\u4e3a\u201c&lt;=\u201d\uff0c\u4e0d\u7b49\u4e8e\u4e3a\u201c&lt;&gt;\u201d\u3002\u53ef\u4ee5\u5229\u7528\u5173\u7cfb\u8fd0\u7b97\u7b26\u8fdb\u884c\u6bd4\u8f83\u7684\u6709\u6570\u503c\u578b\u3001\u5b57\u7b26\u578b\u3001\u65e5\u671f\u578b\u4e09\u79cd\u7c7b\u578b\u7684\u5b57\u6bb5\uff0c\u903b\u8f91\u578b\u6570\u636e\u4e0d\u80fd\u8fdb\u884c\u6bd4\u8f83\u3002\n<ul>\n<li><strong>\u6570\u503c\u578b<\/strong>\u6839\u636e\u6570\u7684\u5927\u5c0f\u8fdb\u884c\u6bd4\u8f83\u3002<\/li>\n<li><strong>\u65e5\u671f\u578b<\/strong>\u6bd4\u8f83\u662f\u6839\u636e\u65e5\u671f\u7684\u8fdc\u8fd1\uff0c\u8fd1\u671f\u7684\u6bd4\u8fdc\u671f\u7684\u5927\uff0c\u5982 2005-1-1&gt;1998-12-30\u3002<\/li>\n<li><strong>\u5b57\u7b26\u578b<\/strong>\u6839\u636e\u5b57\u7b26\u7684\u7f16\u7801\u8fdb\u884c\u6bd4\u8f83\uff0c\u53ef\u4ee5\u5206\u4e09\u79cd\u60c5\u51b5\uff1a\u534a\u89d2\u5b57\u7b26\u6839\u636e ASCII \u7f16\u7801\u8fdb\u884c\u6bd4\u8f83\uff0c\u4ece\u5c0f\u5230\u5927\u987a\u5e8f\u5206\u522b\u662f 0\uff0d9 A\uff0dZ a\uff0dz\uff1b\u6c49\u5b57\u6839\u636e\u56fd\u6807\u7801\u8fdb\u884c\u6bd4\u8f83\uff0c\u5bf9\u4e8e\u4e00\u7ea7\u6c49\u5b57\u6765\u8bf4\uff0c\u5c31\u662f\u6839\u636e\u62fc\u97f3\u7684\u987a\u5e8f\uff1b\u534a\u89d2\u5b57\u7b26\u4e0e\u5168\u89d2\u5b57\u7b26\u6bd4\u8f83\uff0c\u5168\u89d2\u5b57\u7b26\u5927\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5bf9\u4e8e\u5b57\u7b26\u7684\u6bd4\u8f83\u8fd8\u6709\u4e00\u4e2a\u201cLIKE\u201d\u8fd0\u7b97\u7b26<\/strong>\uff0c\u7528\u4e8e\u5b57\u7b26\u7684\u5339\u914d\u6bd4\u8f83\uff0c\u4e0e LIKE \u540c\u65f6\u4f7f\u7528\u7684\u8fd8\u6709\u4e8c\u4e2a\u901a\u914d\u7b26\uff0c\u201c*\u201d\u4ee3\u8868\u4efb\u610f\u4e2a\u4efb\u610f\u5b57\u7b26\uff0c\u201c\uff1f\u201d\u4ee3\u8868\u4e00\u4e2a\u4efb\u610f\u5b57\u7b26\u3002LIKE \u5e38\u7528\u65b9\u6cd5\u6709\u5982\u4e0b\uff1a\n<ul>\n<li>\u5b57\u6bb5\u540d LIKE \u201cA*\u201d\uff1a\u7528\u4e8e\u5339\u914d\u201cA\u201d\u5f00\u5934\u7684\u4efb\u610f\u957f\u5ea6\u7684\u5b57\u7b26\u4e32\uff1b<\/li>\n<li>\u5b57\u6bb5\u540d LIKE \u201cA\uff1f\u201d\uff1a\u7528\u4e8e\u5339\u914d\u201cA\u201d\u5f00\u5934\u7684\u540e\u63a5\u4e00\u4e2a\u4efb\u610f\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\uff1b<\/li>\n<li>\u5b57\u6bb5\u540d LIKE \u201c<em>A<\/em>\u201d\uff1a\u7528\u4e8e\u5339\u914d\u542b\u6709\u201cA\u201d\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<li><strong>\u6ce8\u610f<\/strong>\uff1a\u5728 SQL(ANSI 1989) \u6807\u51c6\u4e2d\uff0c\u7528\u201c%\u548c_\u201d\u4ee3\u66ff\u201c*\u548c\uff1f\u201d<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u903b\u8f91\u8fd0\u7b97\u7b26\u6709\u4e09\u79cd<\/strong>\uff1a\n<ul>\n<li><strong>\u4e0e AND<\/strong>\uff1a\u5f53\u6761\u4ef6\u540c\u65f6\u6210\u7acb\u65f6\uff0c\u503c\u4e3a\u201c\u771f\u201d\uff1b<\/li>\n<li><strong>\u6216 OR<\/strong>\uff1a\u5f53\u6761\u4ef6\u6709\u4e00\u4e2a\u6210\u7acb\u65f6\uff0c\u503c\u4e3a\u201c\u771f\u201d\uff1b<\/li>\n<li><strong>\u975e NOT<\/strong>\uff1a\u5f53\u6761\u4ef6\u6210\u7acb\u65f6\u503c\u4e3a\u201c\u5047\u201d\uff0c\u5f53\u6761\u4ef6\u4e0d\u6210\u7acb\u65f6\u4e3a\u201c\u771f\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u4e0b\u9762\u901a\u8fc7\u4e00\u4e9b\u4f8b\u9898\u6765\u4e86\u89e3\u201cWHERE \u6761\u4ef6\u5b50\u53e5\u201d\u7684\u7528\u6cd5\u3002<\/h3>\n<ul>\n<li><strong>\u4f8b 8<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u8bed\u6587&gt;=85\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u8bed\u6587\u6210\u7ee9\u5927\u4e8e\u6216\u7b49\u4e8e 85 \u5206\u7684\u8bb0\u5f55\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 9<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u59d3\u540d=\u201c\u674e\u5f3a\u201d\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u59d3\u540d\u4e3a\u201c\u674e\u5f3a\u201d\u7684\u8bb0\u5f55\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 10<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u59d3\u540d LIKE \u201c\u674e*\u201d\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u59d3\u201c\u674e\u201d\u7684\u8bb0\u5f55\u4fe1\u606f\uff0c\u4e5f\u5c31\u662f\u663e\u793a\u59d3\u540d\u4e2d\u7b2c\u4e00\u4e2a\u5b57\u4e3a\u201c\u674e\u201d\u7684\u8bb0\u5f55<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 11<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u59d3\u540d LIKE \u201c\u674e\uff1f\u201d\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u59d3\u540d\u4e3a\u4e24\u4e2a\u5b57\uff0c\u7b2c\u4e00\u4e2a\u4e3a\u201c\u674e\u201d\u5b57\uff0c\u7b2c\u4e8c\u4e2a\u4efb\u610f\u7684\u8bb0\u5f55\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 12<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u59d3\u540d LIKE \u201c*\u5f3a\u201d\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u59d3\u540d\u6700\u540e\u4e00\u4e2a\u5b57\u4e3a\u201c\u5f3a\u201d\u7684\u8bb0\u5f55\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 13<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u59d3\u540d LIKE \u201c<em>\u5f3a<\/em>\u201d\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u59d3\u540d\u4e2d\u542b\u6709\u201c\u5f3a\u201d\u5b57\u7684\u8bb0\u5f55\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u4ee5\u4e0b\u4e3a\u6709\u5173\u903b\u8f91\u5b57\u6bb5\u6761\u4ef6\u5b50\u53e5\u7684\u5b9e\u4f8b\uff0c\u8bbe\u6709\u5982\u8868 4-10\u201c\u5b66\u751f\u6863\u6848\u201d\u6570\u636e\u8868\u3002<\/h3>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u59d3\u540d<\/th>\n<th>\u51fa\u751f\u65e5\u671f<\/th>\n<th>\u662f\u5426\u56e2\u5458<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5f20\u534e<\/td>\n<td>1987-12-8<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>\u674e\u5f3a<\/td>\n<td>1987-8-20<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>\u5f20\u660e\u4eae<\/td>\n<td>1988-6-1<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>\u738b\u5f3a\u5cf0<\/td>\n<td>1988-12-20<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>\u9648\u6b4c<\/td>\n<td>1987-3-8<\/td>\n<td>No<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u4f8b 14<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6863\u6848 WHERE \u662f\u5426\u56e2\u5458\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6863\u6848\u201d\u6570\u636e\u8868\u4e2d\u662f\u56e2\u5458\u7684\u8bb0\u5f55\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u59d3\u540d<\/th>\n<th>\u51fa\u751f\u65e5\u671f<\/th>\n<th>\u662f\u5426\u56e2\u5458<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5f20\u534e<\/td>\n<td>1987-12-8<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>\u674e\u5f3a<\/td>\n<td>1987-8-20<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>\u738b\u5f3a\u5cf0<\/td>\n<td>1988-12-20<\/td>\n<td>Yes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u6ce8<\/strong>\uff1a\u5bf9\u4e8e\u903b\u8f91\u578b\u5b57\u6bb5\uff0c\u4e0d\u80fd\u4f7f\u7528\u201cWHERE \u662f\u5426\u56e2\u5458\uff1d\u201c\u662f\u201d\u6216 WHERE \u662f\u5426\u56e2\u5458\uff1dTrue\u201d\u8fd9\u6837\u7684\u5b50\u53e5\uff0c\u56e0\u4e3a\u903b\u8f91\u578b\u5b57\u6bb5\u4e0d\u80fd\u4f7f\u7528\u5173\u7cfb\u8fd0\u7b97\u7b26\u3002<\/li>\n<li><strong>\u4f8b 15<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6863\u6848 WHERE NOT \u662f\u5426\u56e2\u5458\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6863\u6848\u201d\u6570\u636e\u8868\u4e2d\u6240\u6709\u4e0d\u662f\u56e2\u5458\u7684\u8bb0\u5f55\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u59d3\u540d<\/th>\n<th>\u51fa\u751f\u65e5\u671f<\/th>\n<th>\u662f\u5426\u56e2\u5458<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5f20\u660e\u4eae<\/td>\n<td>1988-6-1<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>\u9648\u6b4c<\/td>\n<td>1987-3-8<\/td>\n<td>No<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u4ee5\u4e0b\u4e3a\u6709\u5173\u65e5\u671f\u578b\u5b57\u6bb5\u6761\u4ef6\u5b50\u53e5\u7684\u5b9e\u4f8b\uff1a<\/h3>\n<ul>\n<li><strong>\u4f8b 16<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6863\u6848 WHERE \u51fa\u751f\u65e5\u671f\uff1d#8\/20\/1987#\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6863\u6848\u201d\u6570\u636e\u8868\u4e2d\u51fa\u751f\u65e5\u671f\u4e3a 1987 \u5e74 8 \u6708 20 \u65e5\u7684\u8bb0\u5f55<\/li>\n<li><strong>\u6ce8<\/strong>\uff1a\u5728 Access \u6570\u636e\u5e93\u4e2d\u65e5\u671f\u5e38\u91cf\u8981\u7528\u201c#\u6708\uff0f\u65e5\uff0f\u5e74#\u201d\u6216\u201c#\u5e74-\u6708-\u65e5#\u201d\u8fd9\u6837\u7684\u683c\u5f0f\u4e66\u5199\uff0c\u4f46\u4e0d\u7ba1\u54ea\u4e00\u79cd\u5199\u6cd5\uff0c\u5fc5\u987b\u52a0\u4e0a\u201c#\u201d\u3002\u5176\u4ed6\u6570\u636e\u5e93\u7684\u683c\u5f0f\u53ef\u80fd\u4e0d\u540c\uff0c\u6709\u4e9b\u7528\u53cc\u5f15\u53f7\u3002\u5982\u672c\u4f8b\u4e2d\u4e5f\u53ef\u4ee5\u6539\u6210\uff1aSELECT * FROM \u5b66\u751f\u6863\u6848 WHERE \u51fa\u751f\u65e5\u671f\uff1d#1987-8-20#<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 17<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6863\u6848 WHERE \u51fa\u751f\u65e5\u671f&gt; #8\/20\/1987#\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6863\u6848\u201d\u6570\u636e\u8868\u4e2d\u51fa\u751f\u65e5\u671f\u5728 1987 \u5e74 8 \u6708 20 \u65e5\u4ee5\u540e\u7684\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 18<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6863\u6848 WHERE MONTH(\u51fa\u751f\u65e5\u671f)\uff1d8\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6863\u6848\u201d\u6570\u636e\u8868\u4e2d\u51fa\u751f\u6708\u4efd\u5728 8 \u6708\u7684\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u5728 SQL \u4e2d\u6709\u4e00\u4e9b\u7cfb\u7edf\u51fd\u6570\uff0c\u53ef\u4ee5\u968f\u65f6\u8c03\u7528\uff0c\u4e0e\u65e5\u671f\u6709\u5173\u7684\u51fd\u6570\u4e3b\u8981\u6709\u4e94\u4e2a\uff1a<\/h3>\n<ul>\n<li><strong>YEAR\uff08\uff09<\/strong>\uff1a\u53d6\u65e5\u671f\u578b\u6570\u636e\u7684\u5e74\u4efd\uff0c\u5fc5\u987b\u52a0\u53c2\u6570\u3002 \u5982 YEAR\uff08#8\/20\/1987#\uff09\u7684\u503c\u4e3a 1987<\/li>\n<li><strong>MONTH\uff08\uff09<\/strong>\uff1a\u53d6\u65e5\u671f\u578b\u6570\u636e\u7684\u6708\u4efd\uff0c\u5fc5\u987b\u52a0\u53c2\u6570\u3002\u5982 MONTH\uff08#8\/20\/1987#\uff09\u7684\u503c\u4e3a 8<\/li>\n<li><strong>DAY\uff08\uff09<\/strong>\uff1a\u53d6\u65e5\u671f\u578b\u6570\u636e\u7684\u65e5\u671f\u503c\uff0c\u5fc5\u987b\u52a0\u53c2\u6570\u3002\u5982 DAY\uff08#8\/20\/1987#\uff09\u7684\u503c\u4e3a 20<\/li>\n<li><strong>DATE( )<\/strong>\uff1a\u53d6\u5f53\u524d\u7cfb\u7edf\u65e5\u671f\uff0c\u4e0d\u7528\u52a0\u53c2\u6570\u3002\u5982 DATE( )\u7684\u503c\u4e3a\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u5373\u65f6\u65e5\u671f<\/li>\n<li><strong>NOW( )<\/strong>\uff1a\u53d6\u5f53\u524d\u7cfb\u7edf\u65f6\u95f4\uff0c\u4e0d\u7528\u52a0\u53c2\u6570\u3002\u5982 NOW( )\u7684\u503c\u4e3a\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u5373\u65f6\u65e5\u671f\u4e0e\u65f6\u95f4\uff0c\u7cbe\u786e\u5230\u79d2\u3002<\/li>\n<\/ul>\n<h3>\u5728\u4f7f\u7528\u8fd9\u4e94\u4e2a\u4e0e\u65e5\u671f\u6709\u5173\u7684\u51fd\u6570\u65f6\uff0c\u53c2\u6570\u53ef\u4ee5\u662f\u65e5\u671f\u578b\u5b57\u6bb5\u540d\u4e5f\u53ef\u4ee5\u662f\u65e5\u671f\u578b\u5e38\u91cf\u6216\u53d8\u91cf\u3002\u5982 YEAR\uff08\u51fa\u751f\u65e5\u671f\uff09\u6216 YEAR(#8\/20\/1987#\uff09\u3002<\/h3>\n<ul>\n<li><strong>\u4f8b 19<\/strong>\uff1aSELECT \u59d3\u540d\uff0cYEAR\uff08NOW\uff08\uff09\uff09\uff0dYEAR\uff08\u51fa\u751f\u65e5\u671f\uff09 AS \u5e74\u9f84 FROM \u5b66\u751f\u6863\u6848\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6863\u6848\u201d\u6570\u636e\u8868\u7684\u5b66\u751f\u59d3\u540d\u548c\u5e74\u9f84\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u4ee5\u4e0b\u4e3a\u6709\u5173\u6761\u4ef6\u67e5\u8be2\u7684\u5b9e\u4f8b\uff1a<\/h3>\n<ul>\n<li><strong>\u4f8b 20<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u8bed\u6587&gt;60 AND \u8bed\u6587&lt;90\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u8bed\u6587\u6210\u7ee9\u5927\u4e8e 60 \u5206\u5e76\u4e14\u5c0f\u4e8e 90 \u7684\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f8b 21<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u8bed\u6587&gt;=60 AND \u8bed\u6587&lt;=90\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u8bed\u6587\u6210\u7ee9\u5927\u4e8e\u7b49\u4e8e 60 \u5206\u5e76\u4e14\u5c0f\u4e8e\u7b49\u4e8e 90 \u5206\u7684\u8bb0\u5f55\n<p>**\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u8bed\u6587&gt;90 AND \u6570\u5b66&gt;90<\/p>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u8bed\u6587\u6210\u7ee9\u5927\u4e8e 90 \u5206\u5e76\u4e14\u6570\u5b66\u6210\u7ee9\u5927\u4e8e 90 \u7684\u8bb0\u5f55\u3002<\/li>\n<li><strong>\u4f8b 23<\/strong>\uff1aSELECT * FROM \u5b66\u751f\u6210\u7ee9 WHERE \u8bed\u6587&gt;90 OR \u6570\u5b66&gt;90\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u8bed\u6587\u6210\u7ee9\u5927\u4e8e 90 \u5206\u6216\u8005\u6570\u5b66\u6210\u7ee9\u5927\u4e8e 90 \u7684\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4.3.5 \u805a\u96c6\u51fd\u6570\u67e5\u8be2<\/h2>\n<h3>\u805a\u96c6\u51fd\u6570\u89c1\u8868 4-11\u3002<\/h3>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u51fd\u6570\u540d\u79f0<\/th>\n<th>\u51fd\u6570\u529f\u80fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>COUNT\uff08\uff09<\/td>\n<td>\u7edf\u8ba1\u6240\u9009\u6570\u636e\u7684\u884c\u6570<\/td>\n<\/tr>\n<tr>\n<td>SUM\uff08\uff09<\/td>\n<td>\u8ba1\u7b97\u6570\u636e\u5217\u7684\u548c<\/td>\n<\/tr>\n<tr>\n<td>MIN\uff08\uff09<\/td>\n<td>\u8ba1\u7b97\u6570\u636e\u5217\u4e2d\u7684\u6700\u5c0f\u503c<\/td>\n<\/tr>\n<tr>\n<td>MAX\uff08\uff09<\/td>\n<td>\u8ba1\u7b97\u6570\u636e\u5217\u4e2d\u7684\u6700\u5927\u503c<\/td>\n<\/tr>\n<tr>\n<td>AVG\uff08\uff09<\/td>\n<td>\u8ba1\u7b97\u6570\u636e\u5217\u7684\u5e73\u5747\u503c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>SELECT \u8bed\u53e5\u53ef\u4ee5\u901a\u8fc7\u805a\u96c6<\/strong>\uff0c\u5bf9\u6307\u5b9a\u7684\u5b57\u6bb5\u8fdb\u884c\u7edf\u8ba1\u3001\u8ba1\u6570\u7b49\u8fd0\u884c\u3002\u4e3b\u8981\u7684\u805a\u96c6\u51fd\u6570\u5982\u8868 4-11 \u6240\u793a\u3002\u805a\u96c6\u51fd\u6570\u4e00\u822c\u7528\u4e8e SELECT \u8bed\u53e5\u7684\u5b57\u6bb5\u540d\u5904\uff0c\u4e0b\u9762\u901a\u8fc7\u5b9e\u4f8b\u4ecb\u7ecd\u805a\u96c6\u51fd\u6570\u7684\u7528\u6cd5\u3002<\/li>\n<\/ul>\n<h3>\u4f8b 24\uff1aSELECT COUNT\uff08*\uff09 AS \u603b\u4eba\u6570 FROM \u5b66\u751f\u6210\u7ee9<\/h3>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u603b\u7684\u8bb0\u5f55\u6761\u6570\u3002<\/li>\n<li><strong>\u6ce8<\/strong>\uff1aCOUNT\uff08\uff09\u51fd\u6570\u7684\u53c2\u6570\u5fc5\u987b\u662f\u201c*\u201d\uff0c\u4e0d\u80fd\u662f\u5176\u5b83\u5b57\u6bb5\u540d\u3002\u672c\u6761\u8bed\u53e5\u7684\u6267\u884c\u7ed3\u679c\u53ea\u6709\u4e00\u6761\u8bb0\u5f55\uff0c\u663e\u793a\u603b\u4eba\u6570\u3002<\/li>\n<\/ul>\n<h3>\u4f8b 25\uff1aSELECT AVG\uff08\u8bed\u6587\uff09\uff0cAVG\uff08\u6570\u5b66\uff09 FROM \u5b66\u751f\u6210\u7ee9<\/h3>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u8bed\u6587\u548c\u6570\u5b66\u7684\u5e73\u5747\u6210\u7ee9\u3002<\/li>\n<\/ul>\n<h3>\u4f8b 26\uff1aSELECT AVG\uff08\u8bed\u6587\uff09\uff0cAVG\uff08\u6570\u5b66\uff09 FROM \u5b66\u751f\u6210\u7ee9 WHERE \u82f1\u8bed&gt;80<\/h3>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u82f1\u8bed\u6210\u7ee9\u5927\u4e8e 80 \u5206\u540c\u5b66\u7684\u8bed\u6587\u548c\u6570\u5b66\u5e73\u5747\u5206\u3002<\/li>\n<\/ul>\n<h3>\u4f8b 27\uff1aSELECT MAX\uff08\u8bed\u6587\uff09\uff0cMIN\uff08\u6570\u5b66\uff09 FROM \u5b66\u751f\u6210\u7ee9<\/h3>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u663e\u793a\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u8bed\u6587\u6700\u9ad8\u5206\uff0c\u6570\u5b66\u6700\u4f4e\u5206\uff0c\u663e\u793a\u7ed3\u679c\u53ea\u6709\u4e00\u6761\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<h2>4.3.6 \u5176\u4ed6\u67e5\u8be2\u5b50\u53e5<\/h2>\n<h3>1. GROUP BY \u5b50\u53e5<\/h3>\n<ul>\n<li><strong>\u683c\u5f0f<\/strong>\uff1aGROUP BY \u5b57\u6bb5\u540d<\/li>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u6839\u636e\u5b57\u6bb5\u540d\uff0c\u628a\u76f8\u540c\u503c\u7684\u8bb0\u5f55\u7ec4\u5408\u6210\u5355\u4e00\u8bb0\u5f55<\/li>\n<\/ul>\n<h3>\u5728\u4f7f\u7528 GROUP BY \u5b50\u53e5\u65f6\uff0cSELECT \u540e\u9762\u7684\u5b57\u6bb5\u540d\u5f80\u5f80\u9700\u8981\u4f7f\u7528\u805a\u96c6\u51fd\u6570\uff0c\u4ee5\u5f97\u5230\u67d0\u4e00\u5206\u7c7b\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u4e0b\u9762\u901a\u8fc7\u4e00\u4e9b\u5b9e\u4f8b\u8bf4\u660e GROUP BY \u5b50\u53e5\u7684\u7528\u6cd5\u3002\u8bbe\u6709\u5982\u8868 4-12\u201c\u5e74\u7ea7\u6210\u7ee9\u201d\u6570\u636e\u8868\u3002<\/h3>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u59d3\u540d<\/th>\n<th>\u73ed\u7ea7<\/th>\n<th>\u8bed\u6587<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>A1<\/td>\n<td>1\u73ed<\/td>\n<td>90<\/td>\n<\/tr>\n<tr>\n<td>B2<\/td>\n<td>2\u73ed<\/td>\n<td>88<\/td>\n<\/tr>\n<tr>\n<td>B3<\/td>\n<td>2\u73ed<\/td>\n<td>80<\/td>\n<\/tr>\n<tr>\n<td>A2<\/td>\n<td>1\u73ed<\/td>\n<td>94<\/td>\n<\/tr>\n<tr>\n<td>A3<\/td>\n<td>1\u73ed<\/td>\n<td>92<\/td>\n<\/tr>\n<tr>\n<td>A4<\/td>\n<td>1\u73ed<\/td>\n<td>80<\/td>\n<\/tr>\n<tr>\n<td>B1<\/td>\n<td>2\u73ed<\/td>\n<td>90<\/td>\n<\/tr>\n<tr>\n<td>B4<\/td>\n<td>2\u73ed<\/td>\n<td>70<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u4f8b 28\uff1aSELECT \u73ed\u7ea7\uff0cAVG\uff08\u8bed\u6587\uff09 FROM \u5e74\u7ea7\u6210\u7ee9 GROUP BY \u73ed\u7ea7<\/h3>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u6839\u636e\u73ed\u7ea7\uff0c\u5206\u522b\u7edf\u8ba1\u5404\u73ed\u7684\u8bed\u6587\u5e73\u5747\u6210\u7ee9\uff0c\u7ed3\u679c\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u73ed\u7ea7<\/th>\n<th>Expr1001<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1\u73ed<\/td>\n<td>89<\/td>\n<\/tr>\n<tr>\n<td>2\u73ed<\/td>\n<td>82<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u53ef\u4ee5\u770b\u5230<\/strong>\uff0c\u5f53\u6ca1\u6709\u4e3a\u4e34\u65f6\u751f\u6210\u7684\u8bed\u6587\u5e73\u5747\u5206\u5b57\u6bb5\u547d\u540d\u65f6\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u81ea\u6210\u7c7b\u4f3c\u201cExpr1001\u201d\u7684\u6ca1\u6709\u660e\u786e\u542b\u4e49\u7684\u5b57\u6bb5\u540d\uff0c\u56e0\u6b64\u66f4\u597d\u4e00\u70b9\u7684\u5199\u6cd5\u662f\u201cSELECT \u73ed\u7ea7\uff0cAVG\uff08\u8bed\u6587\uff09 AS \u8bed\u6587\u5e73\u5747\u5206 FROM \u5e74\u7ea7\u6210\u7ee9 GROUP BY \u73ed\u7ea7\u201d\uff0c\u7ed3\u679c\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u73ed\u7ea7<\/th>\n<th>\u8bed\u6587\u5e73\u5747\u5206<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1\u73ed<\/td>\n<td>89<\/td>\n<\/tr>\n<tr>\n<td>2\u73ed<\/td>\n<td>82<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u6ce8<\/strong>\uff1a\u5199\u6210\u201cSELECT \u73ed\u7ea7\uff0cAVG\uff08\u8bed\u6587\uff09 FROM \u5e74\u7ea7\u6210\u7ee9\u201d\u662f\u9519\u7684\uff0c\u5f53\u6ca1\u6709\u4f7f\u7528 GROUP BY \u5b50\u53e5\u65f6\uff0cSELECT \u540e\u9762\u7684\u5b57\u6bb5\u540d\u4e0e\u805a\u96c6\u51fd\u6570\u4e0d\u80fd\u540c\u65f6\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h3>\u4f8b 29\uff1aSELECT \u73ed\u7ea7\uff0cAVG\uff08\u8bed\u6587\uff09 AS \u8bed\u6587\u5e73\u5747\u5206 FROM \u5e74\u7ea7\u6210\u7ee9 WHERE \u8bed\u6587&gt;85 GROUP BY \u73ed\u7ea7<\/h3>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u628a\u201c\u5e74\u7ea7\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u8bed\u6587\u6210\u7ee9\u5927\u4e8e 85 \u5206\u7684\u8bb0\u5f55\uff0c\u6839\u636e\u73ed\u7ea7\u5206\u522b\u7edf\u8ba1\u5404\u73ed\u7684\u8bed\u6587\u5e73\u5747\u6210\u7ee9\u3002<\/li>\n<li><strong>\u7ed3\u679c\u662f<\/strong>\uff1a<\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u73ed\u7ea7<\/th>\n<th>\u8bed\u6587\u5e73\u5747\u5206<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1\u73ed<\/td>\n<td>92<\/td>\n<\/tr>\n<tr>\n<td>2\u73ed<\/td>\n<td>89<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>2. HAVING \u5b50\u53e5<\/h3>\n<ul>\n<li><strong>\u683c\u5f0f<\/strong>\uff1aHAVING \u6761\u4ef6\u8868\u8fbe\u5f0f<\/li>\n<li><strong>\u529f\u80fd<\/strong>\uff1aHAVING \u5b50\u53e5\u4e00\u822c\u7528\u4e8e\u7b5b\u9009 GROUP BY \u5b50\u53e5\u805a\u96c6\u8fc7\u7684\u6570\u636e\uff0c\u5373\u628a GROUP BY \u5b50\u53e5\u4e2d\u6ee1\u8db3 HAVING \u6761\u4ef6\u7684\u8bb0\u5f55\u663e\u793a\u51fa\u6765\u3002<\/li>\n<\/ul>\n<h3>\u4f8b 30\uff1aSELECT \u73ed\u7ea7\uff0cAVG\uff08\u8bed\u6587\uff09 AS \u8bed\u6587\u5e73\u5747\u5206 FROM \u5e74\u7ea7\u6210\u7ee9 GROUP BY \u73ed\u7ea7 HAVING AVG\uff08\u8bed\u6587\uff09&gt;85<\/h3>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u5148\u6839\u636e\u73ed\u7ea7\u5206\u522b\u7edf\u8ba1\u5404\u73ed\u7684\u8bed\u6587\u5e73\u5747\u5206\uff0c\u518d\u628a\u8bed\u6587\u5e73\u5747\u5206\u5927\u4e8e 85 \u5206\u7684\u8bb0\u5f55\u663e\u793a\u51fa\u6765\u3002<\/li>\n<li><strong>\u7ed3\u679c\u662f<\/strong>\uff1a<\/li>\n<\/ul>\n<div class=\"tableLayout___Tq1G0\">\n<table>\n<thead>\n<tr>\n<th>\u73ed\u7ea7<\/th>\n<th>\u8bed\u6587\u5e73\u5747\u5206<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1\u73ed<\/td>\n<td>89<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul>\n<li><strong>\u6ce8<\/strong>\uff1a\u5728 Access \u6570\u636e\u5e93\u4e2d\uff0c\u53ea\u80fd\u4f7f\u7528\u201cHAVING AVG\uff08\u8bed\u6587\uff09&gt;85\u201d\u8fd9\u6837\u7684\u8868\u8fbe\u5f0f\uff0c\u800c\u5728\u5176\u4ed6\u6709\u4e9b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u201cHAVING \u8bed\u6587\u5e73\u5747\u5206&gt;85\u201d\uff0c\u5373 HAVING \u5b50\u53e5\u4e2d\u53ef\u4ee5\u4f7f\u7528\u522b\u540d\u3002<\/li>\n<\/ul>\n<h3>HAVING \u5b50\u53e5\u548c WHERE \u5b50\u53e5\u867d\u7136\u5728\u8bed\u6cd5\u4e0a\u90fd\u4f7f\u7528\u4e86\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u4f46\u5728\u529f\u80fd\u4e0a\u5219\u5b8c\u5168\u4e0d\u540c\u3002WHERE \u5b50\u53e5\u7528\u4e8e\u5bf9\u6570\u636e\u6e90\u7684\u63a7\u5236\uff0c\u4e5f\u5c31\u662f\u53ea\u6709\u6ee1 WHERE \u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u8bb0\u5f55\u624d\u4f1a\u88ab SELECT \u8bed\u53e5\u5904\u7406\uff0c\u800c HAVING \u5b50\u53e5\u4e00\u822c\u4e0e GROUP BY \u5b50\u53e5\u914d\u5408\u4f7f\u7528\uff0c\u5176\u4f5c\u7528\u662f\u63a7\u5236\u6570\u636e\u7684\u8f93\u51fa\uff0c\u53ea\u6709\u6ee1\u8db3 HAVING \u6761\u4ef6\u5b50\u53e5\u7684\u8bb0\u5f55\u624d\u4f1a\u88ab\u663e\u793a\u8f93\u51fa\u3002\u603b\u7ed3\u8d77\u6765\u5c31\u662f\u8bf4\uff0cWHERE \u5b50\u53e5\u63a7\u5236 SELECT \u8bed\u53e5\u7684\u5165\u53e3\u5173\uff0cHAVING \u5b50\u53e5\u63a7\u5236 SELECT \u8bed\u53e5\u7684\u51fa\u53e3\u5173\u3002<\/h3>\n<h3>3. ORDER BY \u5b50\u53e5<\/h3>\n<ul>\n<li><strong>\u683c\u5f0f<\/strong>\uff1aORDER BY \u5b57\u6bb5\u540d 1[ASC|DESC]\uff0c\u5b57\u6bb5\u540d 2[ASC|DESC]\uff0c\u2026\u2026<\/li>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u628a\u8f93\u51fa\u7ed3\u679c\u6309\u5b57\u6bb5\u540d\u8fdb\u884c\u6392\u5e8f\uff0cASC \u8868\u793a\u9012\u589e\u6392\u5e8f\uff0cDESC \u8868\u793a\u9012\u51cf\u6392\u5e8f\uff0c\u9ed8\u8ba4\u4e3a\u9012\u589e\u6392\u5e8f\u3002\u5f53\u6709\u591a\u4e2a\u5b57\u6bb5\u540d\u65f6\uff0c\u9996\u5148\u6309\u5b57\u6bb5\u540d 1 \u8fdb\u884c\u6392\u5e8f\uff0c\u5f53\u5b57\u6bb5\u540d 1 \u7684\u503c\u76f8\u540c\u65f6\uff0c\u518d\u6309\u5b57\u6bb5\u540d 2 \u7684\u503c\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<h3>\u4f8b 31\uff1aSELECT * FROM \u5e74\u7ea7\u6210\u7ee9 ORDER BY \u8bed\u6587<\/h3>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u6309\u8bed\u6587\u6210\u7ee9\u7684\u5347\u5e8f\u663e\u793a\u201c\u5e74\u7ea7\u6210\u7ee9\u201d\u6570\u636e\u8868\u7684\u6240\u6709\u8bb0\u5f55<\/li>\n<\/ul>\n<h3>\u4f8b 32\uff1aSELECT * FROM \u5e74\u7ea7\u6210\u7ee9 ORDER BY \u73ed\u7ea7\uff0c\u8bed\u6587 DESC<\/h3>\n<ul>\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u5bf9\u201c\u5e74\u7ea7\u6210\u7ee9\u201d\u6570\u636e\u8868\u6309\u73ed\u7ea7\u9012\u589e\u3001\u8bed\u6587\u6210\u7ee9\u9012\u51cf\u6392\u5e8f<\/li>\n<\/ul>\n<h2>\u601d\u8003\u4e0e\u4e60\u9898<\/h2>\n<h3>\u4e00\u3001\u5355\u9879\u9009\u62e9\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u4e0b\u5217\u5173\u4e8e SQL \u8bf4\u6cd5\u6b63\u786e\u7684\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. SQL \u662f\u8fc7\u7a0b\u5316\u8bed\u8a00<\/li>\n<li>B. SQL \u53ea\u6709\u4e00\u79cd\u4f7f\u7528\u73af\u5883<\/li>\n<li>C. SQL \u547d\u4ee4\u591a\u800c\u529f\u80fd\u4e30\u5bcc<\/li>\n<li>D. \u6240\u6709\u7528 SQL \u7f16\u5199\u7684\u8bed\u53e5\u90fd\u662f\u53ef\u4ee5\u79fb\u690d\u7684<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>SQL \u4e2d SELECT \u8bed\u53e5\u7684\u4e2d\u6587\u542b\u4e49\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. \u5efa\u6570\u636e\u8868<\/li>\n<li>B. \u6dfb\u52a0\u6570\u636e<\/li>\n<li>C. \u6253\u5370\u6570\u636e<\/li>\n<li>D. \u67e5\u8be2\u6570\u636e<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5982\u67d0 SELECT \u547d\u4ee4\u4e2d\u540c\u65f6\u6709 FROM\u3001WHERE\u3001ORDER \u4e09\u4e2a\u5b50\u53e5\uff0c\u5219\u6b63\u786e\u7684\u6392\u5217\u987a\u5e8f\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. FROM\u3001WHERE\u3001ORDER<\/li>\n<li>B. FROM\u3001ORDER\u3001WHERE<\/li>\n<li>C. WHERE\u3001ORDER\u3001FROM<\/li>\n<li>D. \u6ca1\u6709\u987a\u5e8f\u8981\u6c42\uff0c\u65e0\u8bba\u54ea\u4e2a\u5b50\u53e5\u6392\u5728\u524d\u5747\u53ef<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u6267\u884c\u8bed\u53e5\u201cSELECT \u59d3\u540d\uff0c\u8bed\u6587\uff0c\u6570\u5b66\uff0c\u82f1\u6587\uff0c\u8bed\u6587+\u6570\u5b66+\u82f1\u8bed AS \u603b\u5206 FROM \u5b66\u751f\u6210\u7ee9\u201d\u540e\uff0c\u4ee5\u4e0b\u8bf4\u6cd5\u6b63\u786e\u7684\u662f<\/strong> \u3002<\/p>\n<ul>\n<li>A. \u5728\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u5b57\u6bb5\u201c\u603b\u5206\u201d<\/li>\n<li class=\"last-node\">B. \u5728\u201c\u5b66\u751f\u6210\u7ee9\u201d\u6570\u636e\u8868\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u636e\u5e93\u77e5\u8bc6\u4e0e SQL \u57fa\u672c\u64cd\u4f5c 4.1 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68],"tags":[],"class_list":["post-12935","post","type-post","status-publish","format-standard","hentry","category-zzjy"],"_links":{"self":[{"href":"https:\/\/www.aiersheng.cc\/index.php?rest_route=\/wp\/v2\/posts\/12935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aiersheng.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aiersheng.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.aiersheng.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aiersheng.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12935"}],"version-history":[{"count":0,"href":"https:\/\/www.aiersheng.cc\/index.php?rest_route=\/wp\/v2\/posts\/12935\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.aiersheng.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aiersheng.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aiersheng.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}