{"id":76146,"date":"2024-10-16T04:14:16","date_gmt":"2024-10-15T20:14:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76146\/"},"modified":"2024-10-16T04:14:16","modified_gmt":"2024-10-15T20:14:16","slug":"mysql%e6%89%b9%e9%87%8f%e6%9b%bf%e6%8f%9b%e6%8c%87%e5%ae%9a%e5%ad%97%e6%ae%b5%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76146\/","title":{"rendered":"MySQL\u6279\u91cf\u66ff\u63db\u6307\u5b9a\u5b57\u6bb5\u5b57\u7b26\u4e32"},"content":{"rendered":"<h1 id=\"mysql%e6%89%b9%e9%87%8f%e6%9b%bf%e6%8f%9b%e6%8c%87%e5%ae%9a%e5%ad%97%e6%ae%b5%e5%ad%97%e7%ac%a6%e4%b8%b2-CvqViuZziy\">MySQL\u6279\u91cf\u66ff\u63db\u6307\u5b9a\u5b57\u6bb5\u5b57\u7b26\u4e32<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u7576\u9700\u8981\u5c0d\u6578\u64da\u9032\u884c\u6279\u91cf\u66f4\u65b0\u6642\uff0c\u7279\u5225\u662f\u66ff\u63db\u6307\u5b9a\u5b57\u6bb5\u4e2d\u7684\u5b57\u7b26\u4e32\uff0cMySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MySQL\u4e2d\u6279\u91cf\u66ff\u63db\u6307\u5b9a\u5b57\u6bb5\u7684\u5b57\u7b26\u4e32\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8update%e8%aa%9e%e5%8f%a5%e9%80%b2%e8%a1%8c%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%9b%bf%e6%8f%9b-CvqViuZziy\">\u4f7f\u7528UPDATE\u8a9e\u53e5\u9032\u884c\u5b57\u7b26\u4e32\u66ff\u63db<\/h2>\n<p>\u6700\u5e38\u898b\u7684\u65b9\u5f0f\u662f\u4f7f\u7528<code>UPDATE<\/code>\u8a9e\u53e5\u7d50\u5408<code>REPLACE()<\/code>\u51fd\u6578\u3002<code>REPLACE()<\/code>\u51fd\u6578\u53ef\u4ee5\u7528\u4f86\u66ff\u63db\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u90e8\u5206\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE \u8868\u540d SET \u5b57\u6bb5\u540d = REPLACE(\u5b57\u6bb5\u540d, '\u820a\u5b57\u7b26\u4e32', '\u65b0\u5b57\u7b26\u4e32') WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>users<\/code>\u7684\u8868\uff0c\u4e26\u4e14\u6211\u5011\u60f3\u8981\u5c07\u6240\u6709\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u57df\u540d\u5f9e<code>example.com<\/code>\u66ff\u63db\u70ba<code>sample.com<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE users SET email = REPLACE(email, 'example.com', 'sample.com') WHERE email LIKE '%example.com';<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8case%e8%aa%9e%e5%8f%a5%e9%80%b2%e8%a1%8c%e6%a2%9d%e4%bb%b6%e6%9b%bf%e6%8f%9b-CvqViuZziy\">\u4f7f\u7528CASE\u8a9e\u53e5\u9032\u884c\u689d\u4ef6\u66ff\u63db<\/h2>\n<p>\u5982\u679c\u9700\u8981\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u9032\u884c\u4e0d\u540c\u7684\u66ff\u63db\uff0c\u53ef\u4ee5\u4f7f\u7528<code>CASE<\/code>\u8a9e\u53e5\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e00\u500b<code>UPDATE<\/code>\u8a9e\u53e5\u4e2d\u9032\u884c\u591a\u500b\u66ff\u63db\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE users SET email = CASE\n    WHEN email LIKE '%example.com' THEN REPLACE(email, 'example.com', 'sample.com')\n    WHEN email LIKE '%test.com' THEN REPLACE(email, 'test.com', 'demo.com')\n    ELSE email\nEND WHERE email LIKE '%example.com' OR email LIKE '%test.com';<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u6839\u64da\u96fb\u5b50\u90f5\u4ef6\u7684\u4e0d\u540c\u57df\u540d\u9032\u884c\u4e86\u4e0d\u540c\u7684\u66ff\u63db\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f%e9%80%b2%e8%a1%8c%e6%9b%b4%e9%9d%88%e6%b4%bb%e7%9a%84%e6%9b%bf%e6%8f%9b-CvqViuZziy\">\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u9032\u884c\u66f4\u9748\u6d3b\u7684\u66ff\u63db<\/h2>\n<p>MySQL 8.0\u53ca\u4ee5\u4e0a\u7248\u672c\u652f\u6301\u6b63\u5247\u8868\u9054\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528<code>REGEXP_REPLACE()<\/code>\u51fd\u6578\u9032\u884c\u66f4\u9748\u6d3b\u7684\u5b57\u7b26\u4e32\u66ff\u63db\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE \u8868\u540d SET \u5b57\u6bb5\u540d = REGEXP_REPLACE(\u5b57\u6bb5\u540d, '\u6b63\u5247\u8868\u9054\u5f0f', '\u65b0\u5b57\u7b26\u4e32') WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u60f3\u8981\u5c07\u6240\u6709\u4ee5<code>test<\/code>\u958b\u982d\u7684\u5b57\u7b26\u4e32\u66ff\u63db\u70ba<code>demo<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE users SET email = REGEXP_REPLACE(email, '^test.*', 'demo') WHERE email REGEXP '^test.*';<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-CvqViuZziy\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u9032\u884c\u6279\u91cf\u66ff\u63db\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u5728\u57f7\u884c<code>UPDATE<\/code>\u8a9e\u53e5\u6642\uff0c\u52d9\u5fc5\u78ba\u8a8d<code>WHERE<\/code>\u689d\u4ef6\u7684\u6b63\u78ba\u6027\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u66f4\u6539\u3002<\/li>\n<li>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u8868\uff0c\u6279\u91cf\u66f4\u65b0\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u5efa\u8b70\u5206\u6279\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CvqViuZziy\">\u7e3d\u7d50<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u6279\u91cf\u66ff\u63db\u6307\u5b9a\u5b57\u6bb5\u5b57\u7b26\u4e32\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u904e<code>UPDATE<\/code>\u8a9e\u53e5\u7d50\u5408<code>REPLACE()<\/code>\u3001<code>CASE<\/code>\u548c<code>REGEXP_REPLACE()<\/code>\u7b49\u51fd\u6578\u4f86\u5be6\u73fe\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u9748\u6d3b\uff0c\u800c\u4e14\u80fd\u5920\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u6216\u5176\u4ed6<code>\u4e91\u670d\u52a1\u5668<\/code>\u7684\u9700\u6c42\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to efficiently batch replace specific field strings in MySQL with our step-by-step guide and examples for seamless database management.<\/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-76146","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76146","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=76146"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76146\/revisions"}],"predecessor-version":[{"id":76147,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76146\/revisions\/76147"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}