{"id":173433,"date":"2024-11-07T17:59:19","date_gmt":"2024-11-07T09:59:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173433\/"},"modified":"2024-11-07T17:59:20","modified_gmt":"2024-11-07T09:59:20","slug":"%e5%a6%82%e4%bd%95%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e4%b8%80%e8%a1%8c%e4%b8%80%e5%88%97%e6%95%b8%e6%93%9a%ef%bc%9f-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173433\/","title":{"rendered":"\u5982\u4f55\u66f4\u65b0\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u884c\u4e00\u5217\u6578\u64da\uff1f (\u66f4\u65b0\u6578\u64da\u5eab\u7684\u4e00\u884c\u4e00\u5217)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e4%b8%80%e8%a1%8c%e4%b8%80%e5%88%97%e6%95%b8%e6%93%9a%ef%bc%9f-NImqwZKqjX\">\u5982\u4f55\u66f4\u65b0\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u884c\u4e00\u5217\u6578\u64da\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u66f4\u65b0\u6578\u64da\u662f\u4e00\u9805\u5e38\u898b\u7684\u64cd\u4f5c\u3002\u7121\u8ad6\u662f\u4fee\u6b63\u932f\u8aa4\u3001\u66f4\u65b0\u4fe1\u606f\u9084\u662f\u8abf\u6574\u6578\u64da\uff0c\u638c\u63e1\u5982\u4f55\u6709\u6548\u5730\u66f4\u65b0\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u884c\u4e00\u5217\u6578\u64da\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 SQL \u8a9e\u53e5\u4f86\u5b8c\u6210\u9019\u4e00\u4efb\u52d9\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-NImqwZKqjX\">\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u6578\u64da\u662f\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u5b58\u5132\u7684\u3002\u6bcf\u4e00\u884c\u4ee3\u8868\u4e00\u689d\u8a18\u9304\uff0c\u800c\u6bcf\u4e00\u5217\u5247\u4ee3\u8868\u8a72\u8a18\u9304\u7684\u5c6c\u6027\u3002\u8981\u66f4\u65b0\u7279\u5b9a\u884c\u7684\u7279\u5b9a\u5217\uff0c\u6211\u5011\u901a\u5e38\u4f7f\u7528 SQL \u7684 <code>UPDATE<\/code> \u8a9e\u53e5\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-sql-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-NImqwZKqjX\">\u4f7f\u7528 SQL \u66f4\u65b0\u6578\u64da<\/h2>\n<p>\u66f4\u65b0\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE \u8868\u540d\nSET \u5217\u540d = \u65b0\u503c\nWHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>\u8868\u540d<\/code> \u662f\u4f60\u8981\u66f4\u65b0\u7684\u6578\u64da\u8868\u7684\u540d\u7a31\uff0c<code>\u5217\u540d<\/code> \u662f\u4f60\u60f3\u8981\u66f4\u65b0\u7684\u5217\uff0c<code>\u65b0\u503c<\/code> \u662f\u4f60\u5e0c\u671b\u8a2d\u7f6e\u7684\u65b0\u6578\u64da\uff0c\u800c <code>\u689d\u4ef6<\/code> \u5247\u7528\u4f86\u6307\u5b9a\u8981\u66f4\u65b0\u54ea\u4e00\u884c\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-NImqwZKqjX\">\u793a\u4f8b<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>users<\/code> \u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u7528\u6236\u7684 ID\u3001\u59d3\u540d\u548c\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002\u73fe\u5728\u6211\u5011\u60f3\u8981\u66f4\u65b0 ID \u70ba 1 \u7684\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002<\/p>\n<pre><code>UPDATE users\nSET email = 'newemail@example.com'\nWHERE id = 1;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u6703\u628a ID \u70ba 1 \u7684\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u66f4\u65b0\u70ba <code>newemail@example.com<\/code>\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-NImqwZKqjX\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528 WHERE \u5b50\u53e5\uff1a<\/strong>\u5728\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u4f7f\u7528 <code>WHERE<\/code> \u5b50\u53e5\u4f86\u6307\u5b9a\u8981\u66f4\u65b0\u7684\u884c\u3002\u5982\u679c\u7701\u7565\u4e86 <code>WHERE<\/code>\uff0c\u5247\u6240\u6709\u884c\u90fd\u6703\u88ab\u66f4\u65b0\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u5339\u914d\uff1a<\/strong>\u78ba\u4fdd\u65b0\u503c\u7684\u6578\u64da\u985e\u578b\u8207\u5217\u7684\u6578\u64da\u985e\u578b\u76f8\u5339\u914d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5217\u7684\u6578\u64da\u985e\u578b\u662f\u6574\u6578\uff0c\u5247\u65b0\u503c\u4e5f\u5fc5\u9808\u662f\u6574\u6578\u3002<\/li>\n<li><strong>\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u9032\u884c\u5927\u898f\u6a21\u66f4\u65b0\u4e4b\u524d\uff0c\u5efa\u8b70\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u640d\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-NImqwZKqjX\">\u7d50\u8ad6<\/h2>\n<p>\u66f4\u65b0\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u884c\u4e00\u5217\u6578\u64da\u662f\u4e00\u9805\u57fa\u672c\u800c\u91cd\u8981\u7684\u6280\u80fd\u3002\u901a\u904e\u4f7f\u7528 SQL \u7684 <code>UPDATE<\/code> \u8a9e\u53e5\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u4fee\u6539\u7279\u5b9a\u8a18\u9304\u7684\u7279\u5b9a\u5c6c\u6027\u3002\u8a18\u4f4f\u5728\u66f4\u65b0\u6642\u4f7f\u7528 <code>WHERE<\/code> \u5b50\u53e5\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u640d\u5931\u3002\u96a8\u8457\u5c0d SQL \u8a9e\u8a00\u7684\u6df1\u5165\u4e86\u89e3\uff0c\u60a8\u5c07\u80fd\u5920\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NImqwZKqjX\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u66f4\u65b0\u6578\u64da\u662f\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u901a\u904e\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 SQL \u8a9e\u53e5\u4f86\u66f4\u65b0\u6578\u64da\uff0c\u60a8\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u7121\u8ad6\u60a8\u662f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u90fd\u5c07\u5c0d\u60a8\u7684\u6578\u64da\u7ba1\u7406\u5de5\u4f5c\u5927\u6709\u88e8\u76ca\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u66f4\u65b0\u7279\u5b9a\u884c\u548c\u5217\u7684\u6578\u64da\uff0c\u638c\u63e1SQL\u8a9e\u53e5\u7684\u4f7f\u7528\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-173433","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=173433"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173433\/revisions"}],"predecessor-version":[{"id":173434,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173433\/revisions\/173434"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}