{"id":76582,"date":"2024-10-16T08:01:18","date_gmt":"2024-10-16T00:01:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76582\/"},"modified":"2024-10-16T08:01:18","modified_gmt":"2024-10-16T00:01:18","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e5%b0%8d%e4%b8%ad%e6%96%87%e5%ad%97%e6%ae%b5%e9%80%b2%e8%a1%8c%e6%8e%92%e5%ba%8f-mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8e%92%e5%ba%8f%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76582\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u5982\u4f55\u5c0d\u4e2d\u6587\u5b57\u6bb5\u9032\u884c\u6392\u5e8f (MySQL\u6578\u64da\u5eab\u6392\u5e8f\u4e2d\u6587\u5b57\u6bb5)"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e5%b0%8d%e4%b8%ad%e6%96%87%e5%ad%97%e6%ae%b5%e9%80%b2%e8%a1%8c%e6%8e%92%e5%ba%8f-HlLMuiBozH\">MySQL\u6578\u64da\u5eab\u5982\u4f55\u5c0d\u4e2d\u6587\u5b57\u6bb5\u9032\u884c\u6392\u5e8f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u6392\u5e8f\u529f\u80fd\u5c0d\u65bc\u6578\u64da\u7684\u6aa2\u7d22\u548c\u986f\u793a\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662f\u5c0d\u65bc\u4e2d\u6587\u5b57\u6bb5\u7684\u6392\u5e8f\uff0c\u56e0\u70ba\u4e2d\u6587\u5b57\u7b26\u7684\u6392\u5e8f\u898f\u5247\u8207\u82f1\u6587\u5b57\u6bcd\u6709\u6240\u4e0d\u540c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MySQL\u6578\u64da\u5eab\u4e2d\u5c0d\u4e2d\u6587\u5b57\u6bb5\u9032\u884c\u6392\u5e8f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"mysql%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86%e8%88%87%e6%8e%92%e5%ba%8f%e8%a6%8f%e5%89%87-HlLMuiBozH\">MySQL\u4e2d\u7684\u5b57\u7b26\u96c6\u8207\u6392\u5e8f\u898f\u5247<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247\uff08collation\uff09\u662f\u5f71\u97ff\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u7684\u91cd\u8981\u56e0\u7d20\u3002\u5c0d\u65bc\u4e2d\u6587\u5b57\u7b26\uff0c\u5e38\u7528\u7684\u5b57\u7b26\u96c6\u5305\u62ec <code>utf8<\/code> \u548c <code>utf8mb4<\/code>\uff0c\u800c\u76f8\u61c9\u7684\u6392\u5e8f\u898f\u5247\u5247\u6709 <code>utf8_general_ci<\/code> \u548c <code>utf8_unicode_ci<\/code>\u3002<\/p>\n<ul>\n<li><strong>utf8_general_ci<\/strong>: \u9019\u662f\u4e00\u7a2e\u8f03\u70ba\u7c21\u55ae\u7684\u6392\u5e8f\u898f\u5247\uff0c\u5c0d\u65bc\u5927\u591a\u6578\u60c5\u6cc1\u4e0b\u7684\u4e2d\u6587\u6392\u5e8f\u5df2\u7d93\u8db3\u5920\uff0c\u4f46\u5728\u67d0\u4e9b\u7279\u6b8a\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u51fa\u73fe\u4e0d\u6e96\u78ba\u7684\u6392\u5e8f\u3002<\/li>\n<li><strong>utf8_unicode_ci<\/strong>: \u9019\u7a2e\u6392\u5e8f\u898f\u5247\u9075\u5faaUnicode\u6a19\u6e96\uff0c\u80fd\u5920\u66f4\u6e96\u78ba\u5730\u8655\u7406\u591a\u8a9e\u8a00\u5b57\u7b26\u7684\u6392\u5e8f\uff0c\u9069\u5408\u9700\u8981\u7cbe\u78ba\u6392\u5e8f\u7684\u61c9\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e8%a1%a8%e6%a0%bc%e4%b8%a6%e6%8f%92%e5%85%a5%e4%b8%ad%e6%96%87%e6%95%b8%e6%93%9a-HlLMuiBozH\">\u5275\u5efa\u8868\u683c\u4e26\u63d2\u5165\u4e2d\u6587\u6578\u64da<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u5305\u542b\u4e2d\u6587\u5b57\u6bb5\u7684\u8868\u683c\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8868\u683c\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci\n);<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u63d2\u5165\u4e00\u4e9b\u4e2d\u6587\u6578\u64da\uff1a<\/p>\n<pre><code>INSERT INTO users (name) VALUES ('\u5f35\u4e09'), ('\u674e\u56db'), ('\u738b\u4e94'), ('\u8d99\u516d');<\/code><\/pre>\n<h2 id=\"%e5%b0%8d%e4%b8%ad%e6%96%87%e5%ad%97%e6%ae%b5%e9%80%b2%e8%a1%8c%e6%8e%92%e5%ba%8f-HlLMuiBozH\">\u5c0d\u4e2d\u6587\u5b57\u6bb5\u9032\u884c\u6392\u5e8f<\/h2>\n<p>\u8981\u5c0d\u4e2d\u6587\u5b57\u6bb5\u9032\u884c\u6392\u5e8f\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>ORDER BY<\/code> \u5b50\u53e5\u3002\u4ee5\u4e0b\u662f\u5c0d <code>name<\/code> \u5b57\u6bb5\u9032\u884c\u6392\u5e8f\u7684SQL\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM users ORDER BY name COLLATE utf8mb4_unicode_ci;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u6839\u64daUnicode\u6a19\u6e96\u5c0d\u4e2d\u6587\u540d\u5b57\u9032\u884c\u6392\u5e8f\uff0c\u7d50\u679c\u5c07\u662f\uff1a<\/p>\n<ul>\n<li>\u674e\u56db<\/li>\n<li>\u5f35\u4e09<\/li>\n<li>\u8d99\u516d<\/li>\n<li>\u738b\u4e94<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-HlLMuiBozH\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5c0d\u4e2d\u6587\u5b57\u6bb5\u9032\u884c\u6392\u5e8f\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u548c\u8868\u683c\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u6b63\u78ba\uff0c\u4ee5\u907f\u514d\u5b57\u7b26\u986f\u793a\u932f\u8aa4\u3002<\/li>\n<li>\u9078\u64c7\u5408\u9069\u7684\u6392\u5e8f\u898f\u5247\uff0c\u4ee5\u6eff\u8db3\u61c9\u7528\u9700\u6c42\u3002<\/li>\n<li>\u5728\u9032\u884c\u5927\u91cf\u6578\u64da\u6392\u5e8f\u6642\uff0c\u8003\u616e\u6027\u80fd\u554f\u984c\uff0c\u5fc5\u8981\u6642\u53ef\u4ee5\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HlLMuiBozH\">\u7e3d\u7d50<\/h2>\n<p>\u5728MySQL\u4e2d\u5c0d\u4e2d\u6587\u5b57\u6bb5\u9032\u884c\u6392\u5e8f\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247\uff0c\u4e26\u4f7f\u7528 <code>ORDER BY<\/code> \u5b50\u53e5\u5373\u53ef\u3002\u9019\u5c0d\u65bc\u9700\u8981\u8655\u7406\u4e2d\u6587\u6578\u64da\u7684\u61c9\u7528\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u9999\u6e2f\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4e0a\u8a2d\u7f6e\u548c\u7ba1\u7406MySQL\u6578\u64da\u5eab\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728MySQL\u6578\u64da\u5eab\u4e2d\u5c0d\u4e2d\u6587\u5b57\u6bb5\u9032\u884c\u6392\u5e8f\uff0c\u78ba\u4fdd\u6578\u64da\u6b63\u78ba\u986f\u793a\u548c\u67e5\u8a62\u6548\u7387\u63d0\u5347\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-76582","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76582","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=76582"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76582\/revisions"}],"predecessor-version":[{"id":76583,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76582\/revisions\/76583"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}