{"id":200795,"date":"2025-05-06T10:54:45","date_gmt":"2025-05-06T02:54:45","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200795\/"},"modified":"2025-05-06T10:54:45","modified_gmt":"2025-05-06T02:54:45","slug":"mysql-%e4%bf%ae%e6%94%b9%e5%af%86%e7%a0%81%e6%97%b6%e9%81%87%e5%88%b0-update-%e5%91%bd%e4%bb%a4%e6%8a%a5%e9%94%99-%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200795\/","title":{"rendered":"MySQL \u4fee\u6539\u5bc6\u7801\u65f6\u9047\u5230 \u201cUPDATE \u547d\u4ee4\u62a5\u9519\u201d \u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL \u4fee\u6539\u5bc6\u7801\u65f6\u9047\u5230 \u201cUPDATE \u547d\u4ee4\u62a5\u9519\u201d \u5982\u4f55\u89e3\u51b3\uff1f<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241114\/17315913936735fce1360c6.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>mysql \u4fee\u6539\u5bc6\u7801\u65f6\u906d\u9047 update \u547d\u4ee4\u62a5\u9519\uff1f<\/strong><\/p>\n<p><strong>\u95ee\u9898\u63cf\u8ff0\uff1a<\/strong><\/p>\n<p>\u5c1d\u8bd5\u4f7f\u7528 update \u547d\u4ee4\u4fee\u6539 mysql \u7528\u6237\u5bc6\u7801\u65f6\uff0c\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n<pre>error 1064 (42000): you have an error in your sql syntax; check the manual that corresponds to your mysql server version for the right syntax to use near '('wang') where user='alex'' at line 1<\/pre>\n<p><strong>\u7b54\u6848\uff1a<\/strong><\/p>\n<p>\u9519\u8bef\u63d0\u793a\u8868\u660e\u5728 sql \u8bed\u53e5\u4e2d\u5b58\u5728\u8bed\u6cd5\u9519\u8bef\u3002\u5728\u65b0\u7248\u672c\u7684 mysql\uff085.7 \u53ca\u66f4\u9ad8\u7248\u672c\uff09\u4e2d\uff0c\u4e0d\u518d\u652f\u6301\u4f7f\u7528 update \u547d\u4ee4\u6765\u4fee\u6539\u5bc6\u7801\u3002\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<p><strong>\u517c\u5bb9\u4f4e\u7248\u672c\u5bc6\u7801\u5957\u4ef6<\/strong><\/p>\n<pre>alter user 'wang'@'localhost' identified with mysql_native_password by '\u65b0\u5bc6\u7801';<\/pre>\n<p><strong>\u6216<\/strong><\/p>\n<p><strong>\u4f7f\u7528\u8f83\u65b0\u5bc6\u7801\u5957\u4ef6<\/strong><\/p>\n<pre>ALTER USER 'wang'@'localhost' IDENTIFIED BY '\u65b0\u5bc6\u7801';<\/pre>\n<p>\u5176\u4e2d\uff0c<strong>wang<\/strong> \u4ee3\u8868\u8981\u4fee\u6539\u5bc6\u7801\u7684\u7528\u6237\u540d\uff0c<strong>localhost<\/strong> \u4ee3\u8868\u53d7\u9650\u7684\u4e3b\u673a\uff0c\u5982\u679c\u9700\u8981\u4efb\u610f\u4e3b\u673a\uff0c\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26 %\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u4fee\u6539\u5bc6\u7801\u65f6\u9047\u5230 \u201cU&#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-200795","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200795","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=200795"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200795\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}