{"id":189542,"date":"2024-11-12T08:40:17","date_gmt":"2024-11-12T00:40:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189542\/"},"modified":"2024-11-12T08:40:18","modified_gmt":"2024-11-12T00:40:18","slug":"%e5%9c%98%e8%b3%bc%e7%b3%bb%e7%b5%b1%e8%a8%82%e5%96%ae%e7%ae%a1%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%a6%e7%8f%be%e6%95%88%e7%8e%87%e9%ab%98-%e5%9c%98%e8%b3%bc%e7%b3%bb%e7%b5%b1%e7%9a%84%e8%a8%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189542\/","title":{"rendered":"\u5718\u8cfc\u7cfb\u7d71\u8a02\u55ae\u7ba1\u7406\u6578\u64da\u5eab\u5be6\u73fe\u6548\u7387\u9ad8 (\u5718\u8cfc\u7cfb\u7d71\u7684\u8a02\u55ae\u7ba1\u7406\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-IfreOBelhP\">\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u8a2d\u8a08\u5718\u8cfc\u7cfb\u7d71\u7684\u8a02\u55ae\u7ba1\u7406\u6578\u64da\u5eab\u6642\uff0c\u4ee5\u4e0b\u5e7e\u500b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u5e6b\u52a9\u63d0\u9ad8\u6548\u7387\uff1a<\/p>\n<h3 id=\"1-%e6%ad%a3%e8%a6%8f%e5%8c%96%e6%95%b8%e6%93%9a-IfreOBelhP\">1. 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\u4f7f\u7528\u7d22\u5f15<\/h3>\n<p>\u70ba\u4e86\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff0c\u53ef\u4ee5\u5728\u7d93\u5e38\u67e5\u8a62\u7684\u5b57\u6bb5\u4e0a\u5efa\u7acb\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u5728\u8a02\u55ae\u8868\u7684\u7528\u6236ID\u548c\u5546\u54c1ID\u4e0a\u5efa\u7acb\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u5efa\u7acb\u7d22\u5f15\u7684SQL\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>CREATE INDEX idx_user_id ON orders(user_id);\nCREATE INDEX idx_product_id ON orders(product_id);<\/code><\/pre>\n<h3 id=\"3-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-IfreOBelhP\">3. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h3>\n<p>\u64b0\u5beb\u9ad8\u6548\u7684SQL\u67e5\u8a62\u8a9e\u53e5\u662f\u63d0\u9ad8\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u3002\u907f\u514d\u4f7f\u7528SELECT *\uff0c\u800c\u662f\u9078\u64c7\u9700\u8981\u7684\u5b57\u6bb5\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u7684\u8ca0\u64d4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT order_id, total_amount FROM orders WHERE user_id = ?;<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%93%b4%e5%b1%95%e6%80%a7%e8%80%83%e9%87%8f-IfreOBelhP\">\u6578\u64da\u5eab\u7684\u64f4\u5c55\u6027\u8003\u91cf<\/h2>\n<p>\u96a8\u8457\u696d\u52d9\u7684\u589e\u9577\uff0c\u8a02\u55ae\u6578\u91cf\u53ef\u80fd\u6703\u5927\u5e45\u589e\u52a0\uff0c\u56e0\u6b64\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u9700\u8981\u8003\u616e\u5176\u64f4\u5c55\u6027\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u4f86\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u5340\u8868<\/strong>\uff1a\u5c07\u6578\u64da\u5206\u5340\u5b58\u5132\uff0c\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u6839\u64da\u65e5\u671f\u5c07\u8a02\u55ae\u8868\u5206\u5340\u3002<\/li>\n<li><strong>\u8b80\u5beb\u5206\u96e2<\/strong>\uff1a\u901a\u904e\u8a2d\u7f6e\u4e3b\u5f9e\u6578\u64da\u5eab\uff0c\u5c07\u8b80\u64cd\u4f5c\u548c\u5beb\u64cd\u4f5c\u5206\u958b\uff0c\u6e1b\u5c11\u4e3b\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-IfreOBelhP\">\u7d50\u8ad6<\/h2>\n<p>\u9ad8\u6548\u7684\u5718\u8cfc\u7cfb\u7d71\u8a02\u55ae\u7ba1\u7406\u6578\u64da\u5eab\u662f\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u548c\u696d\u52d9\u904b\u71df\u6548\u7387\u7684\u95dc\u9375\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u3001\u6b63\u898f\u5316\u3001\u7d22\u5f15\u4f7f\u7528\u53ca\u67e5\u8a62\u512a\u5316\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u6301\u7e8c\u95dc\u6ce8\u6578\u64da\u5eab\u7684\u6700\u4f73\u5be6\u8e10\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> 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