{"id":33963,"date":"2023-06-10T19:22:00","date_gmt":"2023-06-10T11:22:00","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=33963"},"modified":"2023-07-31T02:07:53","modified_gmt":"2023-07-30T18:07:53","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e5%af%b9%e4%ba%8e%e5%90%8c%e4%b8%80%e6%9f%a5%e8%af%a2%ef%bc%8c%e4%b8%ba%e4%bb%80%e4%b9%88%e6%af%8f%e6%ac%a1%e6%9f%a5%e8%af%a2%e6%97%b6%e9%97%b4%e4%bc%9a%e4%b8%8d%e4%b8%80","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/33963.html","title":{"rendered":"\u6570\u636e\u5e93\u5bf9\u4e8e\u540c\u4e00\u67e5\u8be2\uff0c\u4e3a\u4ec0\u4e48\u6bcf\u6b21\u67e5\u8be2\u65f6\u95f4\u4f1a\u4e0d\u4e00\u6837"},"content":{"rendered":"<blockquote 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class=\"wp-block-heading\">2\u3001\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf<\/h3>\n<p>\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u662f\u4e3a\u7ba1\u7406\u6570\u636e\u5e93\u800c\u8bbe\u8ba1\u7684\u7535\u8111\u8f6f\u4ef6\u7cfb\u7edf\uff0c\u4e00\u822c\u5177\u6709\u5b58\u50a8\u3001\u622a\u53d6\u3001\u5b89\u5168\u4fdd\u969c\u3001\u5907\u4efd\u7b49\u57fa\u7840\u529f\u80fd\u3002\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u53ef\u4ee5\u4f9d\u636e\u5b83\u6240\u652f\u6301\u7684\u6570\u636e\u5e93\u6a21\u578b\u6765\u4f5c\u5206\u7c7b\uff0c\u4f8b\u5982\u5173\u7cfb\u5f0f\u3001XML\uff1b\u6216\u4f9d\u636e\u6240\u652f\u6301\u7684\u8ba1\u7b97\u673a\u7c7b\u578b\u6765\u4f5c\u5206\u7c7b\uff0c\u4f8b\u5982\u670d\u52a1\u5668\u7fa4\u96c6\u3001\u79fb\u52a8\u7535\u8bdd\uff1b\u6216\u4f9d\u636e\u6240\u7528\u67e5\u8be2\u8bed\u8a00\u6765\u4f5c\u5206\u7c7b\uff0c\u4f8b\u5982SQL\u3001XQuery\uff1b\u6216\u4f9d\u636e\u6027\u80fd\u51b2\u91cf\u91cd\u70b9\u6765\u4f5c\u5206\u7c7b\uff0c\u4f8b\u5982\u6700\u5927\u89c4\u6a21\u3001\u8f83\u9ad8\u8fd0\u884c\u901f\u5ea6\uff1b\u4ea6\u6216\u5176\u4ed6\u7684\u5206\u7c7b\u65b9\u5f0f\u3002\u4e0d\u8bba\u4f7f\u7528\u54ea\u79cd\u5206\u7c7b\u65b9\u5f0f\uff0c\u4e00\u4e9bDBMS\u80fd\u591f\u8de8\u7c7b\u522b\uff0c\u4f8b\u5982\uff0c\u540c\u65f6\u652f\u6301\u591a\u79cd\u67e5\u8be2\u8bed\u8a00\u3002\u00a0<\/p>\n<p>\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u662f\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u6838\u5fc3\u7ec4\u6210\u90e8\u5206\uff0c\u4e3b\u8981\u5b8c\u6210\u5bf9\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u4e0e\u7ba1\u7406\u529f\u80fd\uff0c\u5b9e\u73b0\u6570\u636e\u5e93\u5bf9\u8c61\u7684\u521b\u5efa\u3001\u6570\u636e\u5e93\u5b58\u50a8\u6570\u636e\u7684\u67e5\u8be2\u3001\u6dfb\u52a0\u3001\u4fee\u6539\u4e0e\u5220\u9664\u64cd\u4f5c\u548c\u6570\u636e\u5e93\u7684\u7528\u6237\u7ba1\u7406\u3001\u6743\u9650\u7ba1\u7406\u7b49\u3002\u5b83\u7684\u5b89\u5168\u76f4\u63a5\u5173\u7cfb\u5230\u6574\u4e2a\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u5b89\u5168\uff0c\u5176\u9632\u62a4\u624b\u6bb5\u4e3b\u8981\u6709\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u6b63\u7248\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u5e76\u53ca\u65f6\u5b89\u88c5\u76f8\u5173\u8865\u4e01\u3002<\/li>\n<li>\u505a\u597d\u7528\u6237\u8d26\u6237\u7ba1\u7406\uff0c\u7981\u7528\u9ed8\u8ba4\u8d85\u7ea7\u7ba1\u7406\u5458\u8d26\u6237\u6216\u8005\u4e3a\u8d85\u7ea7\u7ba1\u7406\u5458\u8d26\u6237\u8bbe\u7f6e\u590d\u6742\u5bc6\u7801\uff1b\u4e3a\u5e94\u7528\u7a0b\u5e8f\u5206\u522b\u5206\u914d\u4e13\u7528\u8d26\u6237\u8fdb\u884c\u8bbf\u95ee\uff1b\u8bbe\u7f6e\u7528\u6237\u767b\u5f55\u65f6\u95f4\u53ca\u767b\u5f55\u5931\u8d25\u6b21\u6570\u9650\u5236\uff0c \u9632\u6b62\u66b4\u529b\u7834\u89e3\u7528\u6237\u5bc6\u7801\u3002<\/li>\n<li>\u5206\u914d\u7528\u6237\u8bbf\u95ee\u6743\u9650\u65f6\uff0c\u575a\u6301\u6700\u5c0f\u6743\u9650\u5206\u914d\u539f\u5219\uff0c\u5e76\u9650\u5236\u7528\u6237\u53ea\u80fd\u8bbf\u95ee\u7279\u5b9a\u6570\u636e\u5e93\uff0c\u4e0d\u80fd\u540c\u65f6\u8bbf\u95ee\u5176\u4ed6\u6570\u636e\u5e93\u3002<\/li>\n<li>\u4fee\u6539\u6570\u636e\u5e93\u9ed8\u8ba4\u8bbf\u95ee\u7aef\u53e3\uff0c\u4f7f\u7528\u9632\u706b\u5899\u5c4f\u853d\u6389\u5bf9 \u5916\u5f00\u653e\u7684\u5176\u4ed6\u7aef\u53e3\uff0c\u7981\u6b62\u4e00\u5207\u5916\u90e8\u7684\u7aef\u53e3\u63a2\u6d4b\u884c\u4e3a\u3002<\/li>\n<li>\u5bf9\u6570\u636e\u5e93\u5185\u5b58\u50a8\u7684\u91cd\u8981\u6570\u636e\u3001\u654f\u611f\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u5b58\u50a8\uff0c\u9632\u6b62\u6570\u636e\u5e93\u5907\u4efd\u6216\u6570\u636e\u6587\u4ef6\u88ab\u76d7\u800c\u9020\u6210\u6570\u636e\u6cc4\u9732\u3002<\/li>\n<li>\u8bbe\u7f6e\u597d\u6570\u636e\u5e93\u7684\u5907\u4efd\u7b56\u7565\uff0c\u4fdd\u8bc1\u6570\u636e\u5e93\u88ab\u7834\u574f\u540e\u80fd\u8fc5\u901f\u6062\u590d\u3002<\/li>\n<li>\u5bf9\u6570\u636e\u5e93\u5185\u7684\u7cfb\u7edf\u5b58\u50a8\u8fc7\u7a0b\u8fdb\u884c\u5408\u7406\u7ba1\u7406\uff0c\u7981\u7528\u6389\u4e0d\u5fc5\u8981\u7684\u5b58\u50a8\u8fc7\u7a0b\uff0c\u9632\u6b62\u5229\u7528\u5b58\u50a8\u8fc7\u7a0b\u8fdb\u884c\u6570\u636e\u5e93\u63a2\u6d4b\u4e0e\u653b\u51fb\u3002<\/li>\n<li>\u542f\u7528\u6570\u636e\u5e93\u5ba1\u6838\u529f\u80fd\uff0c\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u5168\u9762\u7684\u4e8b\u4ef6\u8ddf\u8e2a\u548c\u65e5\u5fd7\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\">3\u3001\u6807\u51c6SQL\u8bed\u53e5<\/h3>\n<p>\u867d\u7136\u5173\u7cfb\u578b\u6570\u636e\u5e93\u6709\u5f88\u591a\uff0c\u4f46\u662f\u5927\u591a\u6570\u90fd\u9075\u5faaSQL\uff08\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff0cStructured Query Language\uff09\u6807\u51c6\u3002 \u5e38\u89c1\u7684\u64cd\u4f5c\u6709\u67e5\u8be2\uff0c\u65b0\u589e\uff0c\u66f4\u65b0\uff0c\u5220\u9664\uff0c\u6c42\u548c\uff0c\u6392\u5e8f\u7b49\u3002<\/p>\n<ul>\n<li><strong>\u67e5\u8be2\u8bed\u53e5<\/strong>\uff1aSELECT param FROM table WHERE condition \u8be5\u8bed\u53e5\u53ef\u4ee5\u7406\u89e3\u4e3a\u4ece table \u4e2d\u67e5\u8be2\u51fa\u6ee1\u8db3 condition \u6761\u4ef6\u7684\u5b57\u6bb5 param\u3002<\/li>\n<li><strong>\u65b0\u589e\u8bed\u53e5<\/strong>\uff1aINSERT INTO table \uff08param1\uff0cparam2\uff0cparam3\uff09 VALUES \uff08value1\uff0cvalue2\uff0cvalue3\uff09 \u8be5\u8bed\u53e5\u53ef\u4ee5\u7406\u89e3\u4e3a\u5411table\u4e2d\u7684param1\uff0cparam2\uff0cparam3\u5b57\u6bb5\u4e2d\u5206\u522b\u63d2\u5165value1\uff0cvalue2\uff0cvalue3\u3002<\/li>\n<li><strong>\u66f4\u65b0\u8bed\u53e5<\/strong>\uff1aUPDATE table SET param=new_value WHERE condition \u8be5\u8bed\u53e5\u53ef\u4ee5\u7406\u89e3\u4e3a\u5c06\u6ee1\u8db3condition\u6761\u4ef6\u7684\u5b57\u6bb5param\u66f4\u65b0\u4e3a new_value \u503c\u3002<\/li>\n<li><strong>\u5220\u9664\u8bed\u53e5<\/strong>\uff1aDELETE FROM table WHERE condition \u8be5\u8bed\u53e5\u53ef\u4ee5\u7406\u89e3\u4e3a\u5c06\u6ee1\u8db3condition\u6761\u4ef6\u7684\u6570\u636e\u5168\u90e8\u5220\u9664\u3002<\/li>\n<li><strong>\u53bb\u91cd\u67e5\u8be2<\/strong>\uff1aSELECT DISTINCT param FROM table WHERE condition \u8be5\u8bed\u53e5\u53ef\u4ee5\u7406\u89e3\u4e3a\u4ece\u8868table\u4e2d\u67e5\u8be2\u51fa\u6ee1\u8db3\u6761\u4ef6condition\u7684\u5b57\u6bb5param\uff0c\u4f46\u662fparam\u4e2d\u91cd\u590d\u7684\u503c\u53ea\u80fd\u51fa\u73b0\u4e00\u6b21\u3002<\/li>\n<li><strong>\u6392\u5e8f\u67e5\u8be2<\/strong>\uff1aSELECT param FROM table WHERE condition ORDER BY param1\u8be5\u8bed\u53e5\u53ef\u4ee5\u7406\u89e3\u4e3a\u4ece\u8868table \u4e2d\u67e5\u8be2\u51fa\u6ee1\u8db3condition\u6761\u4ef6\u7684param\uff0c\u5e76\u4e14\u8981\u6309\u7167param1\u5347\u5e8f\u7684\u987a\u5e8f\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<p>\u603b\u4f53\u6765\u8bf4\uff0c \u6570\u636e\u5e93\u7684SELECT\uff0cINSERT\uff0cUPDATE\uff0cDELETE\u5bf9\u5e94\u4e86\u6211\u4eec\u5e38\u7528\u7684\u589e\u5220\u6539\u67e5\u56db\u79cd\u64cd\u4f5c\u3002\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5bf9\u4e8e\u7ed3\u6784\u5316\u6570\u636e\u7684\u5904\u7406\u66f4\u5408\u9002\uff0c\u5982\u5b66\u751f\u6210\u7ee9\u3001\u5730\u5740\u7b49\uff0c\u8fd9\u6837\u7684\u6570\u636e\u4e00\u822c\u60c5\u51b5\u4e0b\u9700\u8981\u4f7f\u7528\u7ed3\u6784\u5316\u7684\u67e5\u8be2\uff0c\u4f8b\u5982join\uff0c\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0c\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5c31\u4f1a\u6bd4NoSQL\u6570\u636e\u5e93\u6027\u80fd\u66f4\u4f18\uff0c\u800c\u4e14\u7cbe\u786e\u5ea6\u66f4\u9ad8\u3002\u7531\u4e8e\u7ed3\u6784\u5316\u6570\u636e\u7684\u89c4\u6a21\u4e0d\u7b97\u592a\u5927\uff0c\u6570\u636e\u89c4\u6a21\u7684\u589e\u957f\u901a\u5e38\u4e5f\u662f\u53ef\u9884\u671f\u7684\uff0c\u6240\u4ee5\u9488\u5bf9\u7ed3\u6784\u5316\u6570\u636e\u4f7f\u7528\u5173\u7cfb\u578b\u6570\u636e\u5e93\u66f4\u597d\u3002\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5341\u5206\u6ce8\u610f\u6570\u636e\u64cd\u4f5c\u7684\u4e8b\u52a1\u6027\u3001\u4e00\u81f4\u6027\uff0c\u5982\u679c\u5bf9\u8fd9\u65b9\u9762\u7684\u8981\u6c42\u5173\u7cfb\u578b\u6570\u636e\u5e93\u65e0\u7591\u53ef\u4ee5\u5f88\u597d\u7684\u6ee1\u8db3\u3002<\/p>\n<h3 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