{"id":200368,"date":"2025-05-06T12:08:35","date_gmt":"2025-05-06T04:08:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200368\/"},"modified":"2025-05-06T12:08:35","modified_gmt":"2025-05-06T04:08:35","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8%e5%90%8c%e4%b8%80%e6%95%b0%e6%8d%ae%e5%ba%93%e5%ae%9e%e4%be%8b%e4%b8%ad%e6%89%b9%e9%87%8f%e4%bf%ae%e6%94%b9%e4%b8%8d%e5%90%8c%e5%ba%93%e4%b8%ad%e7%9a%84%e7%9b%b8%e5%90%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200368\/","title":{"rendered":"\u5982\u4f55\u5728\u540c\u4e00\u6570\u636e\u5e93\u5b9e\u4f8b\u4e2d\u6279\u91cf\u4fee\u6539\u4e0d\u540c\u5e93\u4e2d\u7684\u76f8\u540c\u8868\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u5728\u540c\u4e00\u6570\u636e\u5e93\u5b9e\u4f8b\u4e2d\u6279\u91cf\u4fee\u6539\u4e0d\u540c\u5e93\u4e2d\u7684\u76f8\u540c\u8868\uff1f<\/h1>\n<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241103\/1730611666672709d296839.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u540c\u4e00\u6570\u636e\u5e93\u5b9e\u4f8b\u4fee\u6539\u591a\u4e2a\u5e93\u4e2d\u76f8\u540c\u8868<\/strong><\/p>\n<p>\u5bf9\u4e8e\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b\u7684\u4e0d\u540c\u5e93\u4e2d\u62e5\u6709\u540c\u4e00\u5f20\u8868\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b sql \u8bed\u53e5\u6279\u91cf\u4fee\u6539\u6240\u6709\u5e93\u4e2d\u8868\u7684\u8bb0\u5f55\uff1a<\/p>\n<pre>select * from information_schema.tables where table_name = 'undo_log';<\/pre>\n<p>\u6267\u884c\u6b64\u8bed\u53e5\u53ef\u4ee5\u83b7\u53d6\u6240\u6709\u5e93\u4e2d\u5b58\u5728\u6307\u5b9a\u8868\u540d\u7684\u8868\u683c\u4fe1\u606f\u3002\u968f\u540e\uff0c\u53ef\u4ee5\u6839\u636e\u67e5\u8be2\u7ed3\u679c\u9010\u4e2a\u4fee\u6539\u6bcf\u4e2a\u5e93\u4e2d\u7684\u76ee\u6807\u8868\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>use db1;\nupdate undo_log set column_name = 'new_value' where condition;<\/pre>\n<p>\u5176\u4e2d\uff0cdb1 \u4e3a\u5176\u4e2d\u4e00\u4e2a\u5e93\u540d\uff0ccolumn_name \u4e3a\u9700\u8981\u4fee\u6539\u7684\u5217\u540d\uff0cnew_value \u4e3a\u65b0\u7684\u503c\uff0ccondition \u4e3a\u4fee\u6539\u6761\u4ef6\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5982\u679c\u6570\u636e\u5e93\u7528\u6237\u62e5\u6709\u8f83\u9ad8\u6743\u9650\uff0c\u8fd8\u53ef\u4ee5\u76f4\u63a5\u5bf9\u6240\u6709\u5e93\u4e2d\u7684\u76ee\u6807\u8868\u8fdb\u884c\u6279\u91cf\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>UPDATE information_schema.TABLES SET column_name = 'new_value' WHERE TABLE_NAME = 'undo_log';<\/pre>\n<p>\u9700\u8981\u6ce8\u610f\uff0c\u8fd9\u79cd\u64cd\u4f5c\u6d89\u53ca\u5bf9\u6570\u636e\u5e93\u7cfb\u7edf\u8868\u7684\u4fee\u6539\uff0c\u53ef\u80fd\u4f1a\u5e26\u6765\u98ce\u9669\uff0c\u56e0\u6b64\u5728\u6267\u884c\u524d\u5e94\u505a\u597d\u5907\u4efd\u5de5\u4f5c\u5e76\u8c28\u614e\u64cd\u4f5c\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u5728\u540c\u4e00\u6570\u636e\u5e93\u5b9e\u4f8b\u4e2d\u6279\u91cf\u4fee\u6539\u4e0d\u540c\u5e93\u4e2d\u7684\u76f8\u540c\u8868\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728\u540c\u4e00\u6570\u636e\u5e93\u5b9e\u4f8b\u4e2d\u6279\u91cf\u4fee\u6539\u4e0d&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200368","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200368","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200368"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200368\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}