{"id":196257,"date":"2024-11-13T21:46:24","date_gmt":"2024-11-13T13:46:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196257\/"},"modified":"2024-11-13T21:46:25","modified_gmt":"2024-11-13T13:46:25","slug":"%e6%89%be%e5%9b%9emysql-%e7%b7%a8%e7%a2%bc%e8%bd%89%e6%8f%9b%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196257\/","title":{"rendered":"\u627e\u56deMySQL \u7de8\u78bc\u8f49\u63db\u7684\u89e3\u6c7a\u65b9\u6848"},"content":{"rendered":"<h1 id=\"%e6%89%be%e5%9b%9emysql%e7%b7%a8%e7%a2%bc%e8%bd%89%e6%8f%9b%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-IKmcSYtlxq\">\u627e\u56deMySQL\u7de8\u78bc\u8f49\u63db\u7684\u89e3\u6c7a\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7de8\u78bc\u554f\u984c\u7d93\u5e38\u6210\u70ba\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u7279\u5225\u662f\u5728\u4f7f\u7528MySQL\u6642\uff0c\u7de8\u78bc\u4e0d\u4e00\u81f4\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u640d\u58de\u6216\u986f\u793a\u932f\u8aa4\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u627e\u56deMySQL\u7de8\u78bc\u8f49\u63db\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u7dad\u8b77\u5176\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e7%b7%a8%e7%a2%bc%e8%bd%89%e6%8f%9b%e6%9c%83%e5%87%ba%e7%8f%be%e5%95%8f%e9%a1%8c%ef%bc%9f-IKmcSYtlxq\">\u70ba\u4ec0\u9ebc\u7de8\u78bc\u8f49\u63db\u6703\u51fa\u73fe\u554f\u984c\uff1f<\/h2>\n<p>\u7de8\u78bc\u8f49\u63db\u554f\u984c\u901a\u5e38\u6e90\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4f86\u6e90\u4e0d\u4e00\u81f4\uff1a<\/strong>\u7576\u6578\u64da\u4f86\u81ea\u4e0d\u540c\u7684\u4f86\u6e90\u6642\uff0c\u9019\u4e9b\u4f86\u6e90\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u7de8\u78bc\u683c\u5f0f\uff0c\u5c0e\u81f4\u5728\u5c0e\u5165\u6578\u64da\u6642\u51fa\u73fe\u554f\u984c\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u8a2d\u7f6e\u4e0d\u7576\uff1a<\/strong>\u5982\u679cMySQL\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u5c07\u6703\u5f71\u97ff\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u3002<\/li>\n<li><strong>\u61c9\u7528\u7a0b\u5e8f\u7de8\u78bc\u4e0d\u5339\u914d\uff1a<\/strong>\u61c9\u7528\u7a0b\u5e8f\u5728\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u6642\uff0c\u5982\u679c\u4f7f\u7528\u7684\u7de8\u78bc\u8207\u6578\u64da\u5eab\u4e0d\u4e00\u81f4\uff0c\u5c07\u5c0e\u81f4\u986f\u793a\u932f\u8aa4\u6216\u6578\u64da\u640d\u58de\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e5%92%8c%e4%bf%ae%e5%be%a9%e7%b7%a8%e7%a2%bc%e5%95%8f%e9%a1%8c-IKmcSYtlxq\">\u5982\u4f55\u6aa2\u67e5\u548c\u4fee\u5fa9\u7de8\u78bc\u554f\u984c<\/h2>\n<p>\u8981\u627e\u56deMySQL\u7de8\u78bc\u8f49\u63db\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u7576\u524d\u7684\u7de8\u78bc\u8a2d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%92%8c%e8%a1%a8%e7%9a%84%e7%b7%a8%e7%a2%bc-IKmcSYtlxq\">1. \u6aa2\u67e5\u6578\u64da\u5eab\u548c\u8868\u7684\u7de8\u78bc<\/h3>\n<pre><code>SHOW VARIABLES LIKE 'character_set%';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u986f\u793aMySQL\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\uff0c\u5305\u62ec\u9ed8\u8a8d\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247\u3002\u63a5\u4e0b\u4f86\uff0c\u6aa2\u67e5\u7279\u5b9a\u6578\u64da\u5eab\u548c\u8868\u7684\u7de8\u78bc\uff1a<\/p>\n<pre><code>SHOW CREATE DATABASE your_database_name;<\/code><\/pre>\n<pre><code>SHOW CREATE TABLE your_table_name;<\/code><\/pre>\n<h3 id=\"2-%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e5%92%8c%e8%a1%a8%e7%9a%84%e7%b7%a8%e7%a2%bc-IKmcSYtlxq\">2. \u4fee\u6539\u6578\u64da\u5eab\u548c\u8868\u7684\u7de8\u78bc<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u7de8\u78bc\u4e0d\u6b63\u78ba\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u4fee\u6539\u6578\u64da\u5eab\u548c\u8868\u7684\u7de8\u78bc\uff1a<\/p>\n<pre><code>ALTER DATABASE your_database_name CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;<\/code><\/pre>\n<pre><code>ALTER TABLE your_table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;<\/code><\/pre>\n<h3 id=\"3-%e5%b0%8d%e6%95%b8%e6%93%9a%e9%80%b2%e8%a1%8c%e8%bd%89%e6%8f%9b-IKmcSYtlxq\">3. \u5c0d\u6578\u64da\u9032\u884c\u8f49\u63db<\/h3>\n<p>\u5728\u4fee\u6539\u7de8\u78bc\u5f8c\uff0c\u53ef\u80fd\u9700\u8981\u5c0d\u73fe\u6709\u6578\u64da\u9032\u884c\u8f49\u63db\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u66f4\u65b0\u6578\u64da\uff1a<\/p>\n<pre><code>UPDATE your_table_name SET your_column_name = CONVERT(CAST(CONVERT(your_column_name USING latin1) AS BINARY) USING utf8mb4);<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u6578\u64da\u5f9e\u4e00\u7a2e\u7de8\u78bc\u8f49\u63db\u70ba\u53e6\u4e00\u7a2e\u7de8\u78bc\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\u3002<\/p>\n<h2 id=\"%e9%98%b2%e6%ad%a2%e6%9c%aa%e4%be%86%e7%9a%84%e7%b7%a8%e7%a2%bc%e5%95%8f%e9%a1%8c-IKmcSYtlxq\">\u9632\u6b62\u672a\u4f86\u7684\u7de8\u78bc\u554f\u984c<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u672a\u4f86\u51fa\u73fe\u7de8\u78bc\u554f\u984c\uff0c\u5efa\u8b70\u63a1\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li><strong>\u7d71\u4e00\u6578\u64da\u4f86\u6e90\u7684\u7de8\u78bc\uff1a<\/strong>\u78ba\u4fdd\u6240\u6709\u6578\u64da\u4f86\u6e90\u4f7f\u7528\u76f8\u540c\u7684\u7de8\u78bc\u683c\u5f0f\uff0c\u7279\u5225\u662f\u5728\u5c0e\u5165\u6578\u64da\u6642\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u8a2d\u7f6e\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247\uff0c\u78ba\u4fdd\u5176\u7b26\u5408\u6700\u65b0\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u4f7f\u7528\u73fe\u4ee3\u7de8\u78bc\u6a19\u6e96\uff1a<\/strong>\u5efa\u8b70\u4f7f\u7528utf8mb4\u7de8\u78bc\uff0c\u56e0\u70ba\u5b83\u652f\u6301\u6240\u6709Unicode\u5b57\u7b26\uff0c\u80fd\u5920\u66f4\u597d\u5730\u8655\u7406\u591a\u8a9e\u8a00\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IKmcSYtlxq\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u7de8\u78bc\u8f49\u63db\u554f\u984c\u53ef\u80fd\u6703\u5c0d\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u9020\u6210\u5f71\u97ff\u3002\u901a\u904e\u6aa2\u67e5\u548c\u4fee\u5fa9\u6578\u64da\u5eab\u7684\u7de8\u78bc\u8a2d\u7f6e\uff0c\u4e26\u63a1\u53d6\u9810\u9632\u63aa\u65bd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u660e\u667a\u7684\u9078\u64c7\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u914d\u7f6e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u7684MySQL\u7de8\u78bc\u8f49\u63db\u89e3\u6c7a\u65b9\u6848\uff0c\u8f15\u9b06\u627e\u56de\u6578\u64da\uff0c\u78ba\u4fdd\u8cc7\u6599\u5eab\u7684\u5b8c\u6574\u6027\u8207\u517c\u5bb9\u6027\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-196257","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196257","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=196257"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196257\/revisions"}],"predecessor-version":[{"id":196258,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196257\/revisions\/196258"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}