{"id":10008288,"date":"2023-09-19T19:05:36","date_gmt":"2023-09-19T11:05:36","guid":{"rendered":"https:\/\/blog.itmax.cn\/?p=10008288"},"modified":"2023-09-19T19:05:36","modified_gmt":"2023-09-19T11:05:36","slug":"%e6%85%a2sql%e6%b2%bb%e7%90%86%e5%ae%9e%e8%b7%b5%e5%8f%8a%e8%90%bd%e5%9c%b0%e6%88%90%e6%9e%9c%e5%88%86%e4%ba%ab-%e4%ba%ac%e4%b8%9c%e7%89%a9%e6%b5%81%e6%8a%80%e6%9c%af%e5%9b%a2%e9%98%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008288","title":{"rendered":"\u6162SQL\u6cbb\u7406\u5b9e\u8df5\u53ca\u843d\u5730\u6210\u679c\u5206\u4eab | \u4eac\u4e1c\u7269\u6d41\u6280\u672f\u56e2\u961f"},"content":{"rendered":"<h2>\u4e00\u3001\u6cbb\u7406\u80cc\u666f<\/h2>\n<p>\u6570\u636e\u5e93\u7cfb\u7edf\u6027\u80fd\u95ee\u9898\u4f1a\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002\u6162\u67e5\u8be2\u53ef\u80fd\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u54cd\u5e94\u53d8\u6162\u3001\u8bf7\u6c42\u5806\u79ef\u3001\u7cfb\u7edf\u8d1f\u8f7d\u589e\u52a0\u7b49\u95ee\u9898\uff0c\u751a\u81f3\u5f15\u53d1\u7cfb\u7edf\u5d29\u6e83\u6216\u4e0d\u53ef\u7528\u7684\u60c5\u51b5\u3002\u6162SQL\u6cbb\u7406\u662f\u5728\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u9488\u5bf9\u6267\u884c\u7f13\u6162\u7684SQL\u67e5\u8be2\u8fdb\u884c\u4f18\u5316\u548c\u6539\u8fdb\u7684\u4e00\u9879\u91cd\u8981\u5de5\u4f5c\u3002<\/p>\n<p>\u4f46\u539f\u6709\u7684\u6cbb\u7406\u8282\u594f\uff0c\u4e00\u822c\u5728\u5927\u4fc3\u5907\u6218\u671f\u95f4\uff0c\u96c6\u4e2d\u6295\u5165\u4eba\u529b\u7d27\u6025\u6cbb\u7406\uff0c\u65e5\u5e38\u5bf9\u6162SQL\u7684\u5173\u6ce8\u5ea6\u4e0d\u9ad8\uff1b\u5373\u4f7f\u7814\u53d1\u56e2\u961f\u60f3\u7740\u624b\u6cbb\u7406\uff0c\u5b9e\u4f8b\u4e0b\u7684SQL\u660e\u7ec6\u7b5b\u9009\u7e41\u7410\uff0c\u8d8b\u52bf\u4e0d\u660e\uff0c\u7f3a\u5c11\u7cfb\u7edf\u5316\uff0c\u6570\u5b57\u5316\u7684\u6cbb\u7406\u65b9\u6848\u3002<\/p>\n<p>\u6240\u4ee5\u4e3a\u4e86\u4fdd\u8bc1\u7cfb\u7edf\u7a33\u5b9a\u6027\uff0c\u9884\u9632\u6f5c\u5728\u6162SQL\u5bfc\u81f4\u5e94\u6025\u4e8b\u6545\uff0c\u53d1\u8d77\u6162SQL\u5e38\u6001\u5316\u5907\u6218\u4e13\u9879\uff0c\u4e0b\u6587\u4e3b\u8981\u63cf\u8ff0\u4e13\u9879\u7684\u5b9e\u8df5\u53ca\u843d\u5730\u60c5\u51b5\u3002<\/p>\n<h2>\u4e8c\u3001\u9636\u6bb5\u89c4\u5212<\/h2>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044231091\" alt=\"\" title=\"\"><\/p>\n<h4>1.0\u9636\u6bb5<\/h4>\n<p><strong>\u76ee\u6807\uff1a\u3010\u5f62\u6210\u5e38\u6001\u5316\u6cbb\u7406\u673a\u5236\uff0c\u5173\u6ce8\u6162SQL\u89e3\u51b3\u7684\u6709\u6548\u7387\u3011<\/strong><\/p>\n<p>\u6539\u53d8\u6162SQL\u6cbb\u7406\u4e60\u60ef\uff0c\u7531\u539f\u5927\u4fc3\u5907\u6218\u671f\u95f4\u6cbb\u7406\uff0c\u843d\u5730\u6309\u7167\u65e5\u7ef4\u5ea6\u4ea7\u751f\u7684\u6162SQL\u6bcf\u5929\u8ddf\u8fdb\uff0c\u5173\u6ce8\u53cc\u5468\u7ef4\u5ea6\u6cbb\u7406\u7684\u6709\u6548\u7387\u3002<\/p>\n<p>\u5173\u6ce8\u6307\u6807\uff1a<\/p>\n<p><strong>\u903e\u671f\u7387<\/strong> = \u5de5\u5355\u903e\u671f\u6570\u91cf\uff08\u521b\u5efa\u65f6\u95f4\u5728\u5f53\u5b63\u5ea6\u7684\u4efb\u52a1\uff09\/\u603b\u91cf\uff08\u521b\u5efa\u65f6\u95f4\u5728\u5f53\u5b63\u5ea6\u7684\u4efb\u52a1\uff09 \u6ce8\uff1a\u8d85\u8fc714\u5929\u672a\u5904\u7406\u5b8c\u6210\u7684\u7b97\u903e\u671f\uff0c\u903e\u671f\u4e0e\u5426\u4ee5\u7b2c\u4e00\u6b21\u5b8c\u6210\u7684\u65f6\u95f4\u6765\u5224\u65ad\uff0c\u5982\u679c\u5728\u622a\u6b62\u65e5\u671f\u524d\u672a\u5b8c\u6210\uff0c\u7b97\u903e\u671f\uff1b\u5982\u679c\u5728\u622a\u6b62\u65e5\u671f\u524d\u5b8c\u6210\uff0c\u4f46\u662f\u91cd\u5f00\u540e\uff0c\u5728\u622a\u6b62\u65e5\u671f\u540e\u5b8c\u6210\uff0c\u4e0d\u7b97\u903e\u671f\uff0c\u7b97\u91cd\u5f00\uff1b\u6302\u8d77\u7684\u5982\u679c\u8d85\u8fc714\u5929\u4f1a\u7edf\u8ba1\u5230\u903e\u671f\u91cc\uff1b<\/p>\n<p><strong>\u91cd\u5f00\u7387<\/strong> =\u5de5\u5355\u91cd\u5f00\u6b21\u6570\uff08\u521b\u5efa\u65f6\u95f4\u5728\u5f53\u5b63\u5ea6\u7684\u4efb\u52a1\uff0c\u5982\u679c\u662f\u4e00\u4e2a\u4efb\u52a1\u88ab\u91cd\u5f005\u6b21\uff0c\u8bb0\u5f55\u4e3a5\uff09\/\u603b\u91cf\uff08\u521b\u5efa\u65f6\u95f4\u5728\u5f53\u5b63\u5ea6\u7684\u4efb\u52a1\uff09<\/p>\n<h4>2.0\u9636\u6bb5<\/h4>\n<p><strong>\u76ee\u6807\uff1a\u3010\u5f7b\u5e95\u6839\u6cbb\u6162SQL\u5386\u53f2\u503a\uff0c\u8fbe\u6210\u9636\u6bb5\u6027\u5185\u7684&gt;0.9s\u6e05\u96f6\u3011<\/strong><\/p>\n<p>\u7ecf\u8fc71.0\u9636\u6bb5\u7814\u53d1\u56e2\u961f\u6709\u5e8f\u8fdb\u884c\u6162SQL\u7684\u9010\u6b65\u6cbb\u7406\uff0c\u524d\u671f\u5df2\u7ecf\u6709\u6548\u89e3\u51b3\u90e8\u5206\u6162SQL\u6570\u636e\uff0c\u4f46\u4ecd\u5b58\u5728\u5386\u53f2\u503a\uff0c\u5f71\u54cd\u7cfb\u7edf\u7a33\u5b9a\u6027\u30022.0\u9636\u6bb5\u8981\u6c42\u53cc\u5468\u9636\u6bb5\u6027\u6e05\u96f6\u3002<\/p>\n<p>\u5173\u6ce8\u6307\u6807\uff1a<\/p>\n<p><strong>P0\u5de5\u5355\u63a8\u9001\u6570<\/strong>=\u5927\u4e8e0.9s\u63a8\u9001\u65f6\u95f4\u5728\u5f53\u5468\u7684\u4efb\u52a1\u603b\u6570 \u6ce8\uff1a\u58f0\u660e\u7ea7\u522b\u5212\u5206\uff0c<\/p>\n<p>P0 \u6267\u884c\u65f6\u95f4\u5927\u4e8e0.9\u79d2\uff0c\u4e14\u8fbe\u5230\u9608\u503c10\u6b21<\/p>\n<p>P1 \u6267\u884c\u65f6\u95f4\u5927\u4e8e0.9\u79d2\uff0c\u4f46\u672a\u8fbe\u5230\u9608\u503c10\u6b21<\/p>\n<p>P2 \u6267\u884c\u65f6\u95f4\u5c0f\u4e8e0.9\u79d2\u672a\u52a0\u7d22\u5f15\uff0c\u4e14\u8fbe\u5230\u9608\u503c10\u6b21<\/p>\n<p>P3 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\u6ce8\uff1a\u58f0\u660e\u7ea7\u522b\u5212\u5206\uff0c<\/p>\n<p>P0 \u6267\u884c\u65f6\u95f4\u5927\u4e8e0.9\u79d2<\/p>\n<p>P1 \u6267\u884c\u65f6\u95f4\u5c0f\u4e8e\u7b49\u4e8e0.9\u79d2\u5927\u4e8e0.7\u79d2<\/p>\n<p>P2 \u6267\u884c\u65f6\u95f4\u5c0f\u4e8e\u7b49\u4e8e0.7\u79d2\u5927\u4e8e0.5\u79d2<\/p>\n<p>P3 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decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044231092\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>2.0\u9636\u6bb5\u5173\u6ce8&gt;0.9s\u7684\u6cbb\u7406\uff0c\u8fdb\u884c\u5386\u53f2\u503a\u7684\u6e05\u7406<\/p>\n<p>P0\u7ea7SQL\u7684\u89e3\u51b3\u8ddf\u8fdb\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044231093\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u73b0\u6709\u5386\u53f2\u503a\u7684\u6e05\u96f6\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044231094\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6309\u6708\u5ea6\u51fa\u73b0\u6162SQL\u91cf\u7684\u8d8b\u52bf<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044231095\" alt=\"\" title=\"\" 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loading=\"lazy\"><\/p>\n<p>\u66f4\u662f\u76f4\u63a5\u4fdd\u969c\u4e86\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\uff0c\u8fd1\u534a\u5e74\u65e0\u56e0\u6162SQL\u5bfc\u81f4\u7684\u7ebf\u4e0a\u95ee\u9898\u3002<\/p>\n<h4>\u3010\u65b9\u6848\u6c89\u6dc0\u3011<\/h4>\n<p>\u968f\u7740\u6162SQL\u6cbb\u7406\u4f5c\u4e3a\u4e13\u9879\u878d\u5165\u5230\u7814\u53d1\u7684\u65e5\u5e38\u5de5\u4f5c\uff0c\u9996\u5148\u56e2\u961f\u5185\u4e3a\u907f\u514d\u65b0\u7684\u6162SQL\u4ea7\u751f\uff0c\u843d\u5730\u6570\u636e\u5e93\u5f00\u53d1\u89c4\u8303\uff0c\u4eac\u4e1c\u96c6\u56e2\u6570\u636e\u5e93\u5f00\u53d1\u89c4\u8303-V1.0-\u516c\u793a\u7a3f\uff0c\u540c\u65f6\u5982\u4f55\u5206\u6790SQL\u3001\u5feb\u901f\u5b9a\u4f4d\u3001\u9ad8\u6548\u89e3\u51b3\uff0c\u56e2\u961f\u5185\u4e5f\u8f93\u51fa\u4e86\u6cbb\u7406\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<h2>\u4e94\u3001\u603b\u7ed3<\/h2>\n<p>\u7ecf\u8fc7\u4e13\u9879\u5404\u4e2a\u9636\u6bb5\u7684\u63a8\u8fdb\u843d\u5730\uff0c\u56e2\u961f\u5185\u8d2f\u5f7b\u4e86\u6cbb\u7406\u76ee\u6807\uff0c\u6c89\u6dc0\u4e86\u89e3\u51b3\u65b9\u6848\uff0c\u540e\u7eed\u6162SQL\u6cbb\u7406\u4f1a\u6301\u7eed\u5316\u63a8\u8fdb\uff0c\u4ece\u800c\u4fdd\u969c\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002<\/p>\n<blockquote><p>\u4f5c\u8005\uff1a\u4eac\u4e1c\u7269\u6d41 \u5218\u7ea2\u598d  <br \/>\u6765\u6e90\uff1a\u4eac\u4e1c\u4e91\u5f00\u53d1\u8005\u793e\u533a \u81ea\u733f\u5176\u8bf4 Tech \u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u6e90<\/p><\/blockquote>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000044231089\">https:\/\/segmentfault.com\/a\/1190000044231089<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6cbb\u7406\u80cc\u666f \u6570\u636e\u5e93\u7cfb\u7edf\u6027\u80fd\u95ee\u9898\u4f1a\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002\u6162\u67e5\u8be2\u53ef\u80fd\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u54cd\u5e94\u53d8\u6162\u3001\u8bf7\u6c42 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