{"id":179264,"date":"2024-11-09T00:22:23","date_gmt":"2024-11-08T16:22:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179264\/"},"modified":"2024-11-09T00:22:24","modified_gmt":"2024-11-08T16:22:24","slug":"%e5%a6%82%e4%bd%95%e9%81%b8%e6%93%87%e9%81%a9%e5%90%88%e8%87%aa%e5%b7%b1%e7%9a%84%e6%9f%a5%e8%a9%a2%e9%a1%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a8%a1%e6%9d%bf-%e6%9f%a5%e8%a9%a2%e9%a1%9e%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179264\/","title":{"rendered":"\u5982\u4f55\u9078\u64c7\u9069\u5408\u81ea\u5df1\u7684\u67e5\u8a62\u985e\u6578\u64da\u5eab\u6a21\u677f (\u67e5\u8a62\u985e\u6578\u64da\u5eab\u6a21\u677f)"},"content":{"rendered":"<h1 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id=\"%e9%81%b8%e6%93%87%e6%9f%a5%e8%a9%a2%e9%a1%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a8%a1%e6%9d%bf%e7%9a%84%e8%80%83%e9%87%8f%e5%9b%a0%e7%b4%a0-CRozkTETkZ\">\u9078\u64c7\u67e5\u8a62\u985e\u6578\u64da\u5eab\u6a21\u677f\u7684\u8003\u91cf\u56e0\u7d20<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a1%9e%e5%9e%8b-CRozkTETkZ\">1. \u6578\u64da\u5eab\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u8003\u616e\u6240\u4f7f\u7528\u7684\u6578\u64da\u5eab\u985e\u578b\u3002\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u6709\u4e0d\u540c\u7684\u67e5\u8a62\u8a9e\u8a00\u548c\u7d50\u69cb\u3002\u4f8b\u5982\uff0c\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MySQL \u548c PostgreSQL\uff09\u4f7f\u7528 SQL \u8a9e\u8a00\uff0c\u800c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MongoDB\uff09\u5247\u4f7f\u7528 BSON \u683c\u5f0f\u3002\u78ba\u4fdd\u9078\u64c7\u7684\u6a21\u677f\u8207\u60a8\u7684\u6578\u64da\u5eab\u985e\u578b\u76f8\u7b26\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-CRozkTETkZ\">2. \u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u5176\u6b21\uff0c\u60a8\u9700\u8981\u8003\u616e\u6578\u64da\u7684\u7d50\u69cb\u3002\u6578\u64da\u7684\u7d44\u7e54\u65b9\u5f0f\u6703\u5f71\u97ff\u67e5\u8a62\u7684\u6548\u7387\u548c\u8907\u96dc\u6027\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7684\u6578\u64da\u662f\u9ad8\u5ea6\u7d50\u69cb\u5316\u7684\uff0c\u5247\u53ef\u4ee5\u9078\u64c7\u4f7f\u7528\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u6a21\u677f\uff1b\u5982\u679c\u6578\u64da\u662f\u975e\u7d50\u69cb\u5316\u7684\uff0c\u5247\u53ef\u80fd\u9700\u8981\u8003\u616e\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u6a21\u677f\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-CRozkTETkZ\">3. \u67e5\u8a62\u6027\u80fd<\/h3>\n<p>\u67e5\u8a62\u6027\u80fd\u662f\u9078\u64c7\u6a21\u677f\u6642\u7684\u4e00\u500b\u91cd\u8981\u8003\u91cf\u56e0\u7d20\u3002\u60a8\u9700\u8981\u8a55\u4f30\u6a21\u677f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u7684\u6027\u80fd\u8868\u73fe\u3002\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u57f7\u884c\u8a08\u5283\u4f86\u5206\u6790\u67e5\u8a62\u7684\u6548\u7387\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"4-%e5%8f%af%e6%93%b4%e5%b1%95%e6%80%a7-CRozkTETkZ\">4. \u53ef\u64f4\u5c55\u6027<\/h3>\n<p>\u96a8\u8457\u696d\u52d9\u7684\u589e\u9577\uff0c\u6578\u64da\u91cf\u4e5f\u6703\u96a8\u4e4b\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u9078\u64c7\u4e00\u500b\u53ef\u64f4\u5c55\u7684\u67e5\u8a62\u6a21\u677f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u78ba\u4fdd\u6240\u9078\u6a21\u677f\u80fd\u5920\u652f\u6301\u672a\u4f86\u7684\u6578\u64da\u589e\u9577\uff0c\u4e26\u80fd\u5920\u8f15\u9b06\u5730\u9032\u884c\u64f4\u5c55\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e9%a1%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a8%a1%e6%9d%bf%e7%9a%84%e7%af%84%e4%be%8b-CRozkTETkZ\">\u67e5\u8a62\u985e\u6578\u64da\u5eab\u6a21\u677f\u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u67e5\u8a62\u985e\u6578\u64da\u5eab\u6a21\u677f\u7bc4\u4f8b\uff1a<\/p>\n<ul>\n<li><code>SELECT * FROM users WHERE age &gt; 30;<\/code> &#8211; \u7528\u65bc\u5f9e\u7528\u6236\u8868\u4e2d\u9078\u64c7\u5e74\u9f61\u5927\u65bc30\u7684\u6240\u6709\u7528\u6236\u3002<\/li>\n<li><code>INSERT INTO orders (user_id, product_id, quantity) VALUES (1, 2, 3);<\/code> &#8211; \u7528\u65bc\u5411\u8a02\u55ae\u8868\u4e2d\u63d2\u5165\u4e00\u689d\u65b0\u8a02\u55ae\u3002<\/li>\n<li><code>UPDATE products SET price = price * 0.9 WHERE category = 'electronics';<\/code> &#8211; \u7528\u65bc\u5c07\u96fb\u5b50\u7522\u54c1\u7684\u50f9\u683c\u964d\u4f4e10%\u3002<\/li>\n<li><code>DELETE FROM sessions WHERE last_access &lt; NOW() - INTERVAL 30 DAY;<\/code> &#8211; \u7528\u65bc\u522a\u966430\u5929\u524d\u672a\u8a2a\u554f\u7684\u6703\u8a71\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-CRozkTETkZ\">\u7d50\u8ad6<\/h2>\n<p>\u9078\u64c7\u9069\u5408\u81ea\u5df1\u7684\u67e5\u8a62\u985e\u6578\u64da\u5eab\u6a21\u677f\u662f\u4e00\u500b\u9700\u8981\u4ed4\u7d30\u8003\u616e\u7684\u904e\u7a0b\u3002\u901a\u904e\u4e86\u89e3\u6578\u64da\u5eab\u985e\u578b\u3001\u6578\u64da\u7d50\u69cb\u3001\u67e5\u8a62\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u7b49\u56e0\u7d20\uff0c\u60a8\u53ef\u4ee5\u505a\u51fa\u660e\u667a\u7684\u9078\u64c7\u3002\u7121\u8ad6\u60a8\u662f\u958b\u767c\u8005\u9084\u662f\u4f01\u696d\u4e3b\uff0c\u9078\u64c7\u5408\u9069\u7684\u67e5\u8a62\u6a21\u677f\u90fd\u80fd\u5e6b\u52a9\u60a8\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> 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