{"id":157408,"date":"2024-11-02T22:50:23","date_gmt":"2024-11-02T14:50:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/157408\/"},"modified":"2024-11-02T22:50:25","modified_gmt":"2024-11-02T14:50:25","slug":"%e6%94%b9%e5%af%ab%e6%ad%b7%e5%8f%b2-%e6%95%b8%e6%93%9a%e5%ba%95%e8%98%8a%e5%8d%83%e5%b9%b4-%e5%8d%83%e5%b9%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%ae%e6%94%b9%e5%99%a8%ef%bc%88%e5%8d%83","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/157408\/","title":{"rendered":"\u6539\u5beb\u6b77\u53f2 \u6578\u64da\u5e95\u860a\u5343\u5e74\u2014\u2014\u5343\u5e74\u6578\u64da\u5eab\u4fee\u6539\u5668\uff08\u5343\u5e74\u6578\u64da\u5eab\u4fee\u6539\u5668\uff09"},"content":{"rendered":"<h1 id=\"%e6%94%b9%e5%af%ab%e6%ad%b7%e5%8f%b2-%e6%95%b8%e6%93%9a%e5%ba%95%e8%98%8a%e5%8d%83%e5%b9%b4-%e5%8d%83%e5%b9%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%ae%e6%94%b9%e5%99%a8%ef%bc%88%e5%8d%83-ufmVFeCaes\">\u6539\u5beb\u6b77\u53f2 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id=\"%e6%8a%80%e8%a1%93%e5%af%a6%e7%8f%be-ufmVFeCaes\">\u6280\u8853\u5be6\u73fe<\/h2>\n<p>\u5343\u5e74\u6578\u64da\u5eab\u4fee\u6539\u5668\u7684\u6280\u8853\u5be6\u73fe\u901a\u5e38\u57fa\u65bc\u73fe\u4ee3\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\uff0c\u4e26\u7d50\u5408\u4e86\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\u548c\u6846\u67b6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u4fee\u6539\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE customers\nSET email = 'newemail@example.com'\nWHERE customer_id = 12345;<\/code><\/pre>\n<p>\u9019\u6bb5SQL\u8a9e\u53e5\u5c55\u793a\u4e86\u5982\u4f55\u66f4\u65b0\u5ba2\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002\u5343\u5e74\u6578\u64da\u5eab\u4fee\u6539\u5668\u901a\u5e38\u6703\u63d0\u4f9b\u4e00\u500b\u7528\u6236\u53cb\u597d\u7684\u754c\u9762\uff0c\u8b93\u7528\u6236\u7121\u9700\u7de8\u5beb\u4ee3\u78bc\u5373\u53ef\u5b8c\u6210\u985e\u4f3c\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 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