{"id":176603,"date":"2024-11-08T12:12:17","date_gmt":"2024-11-08T04:12:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176603\/"},"modified":"2024-11-08T12:12:18","modified_gmt":"2024-11-08T04:12:18","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e4%b8%8d%e6%ad%a3%e7%a2%ba%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%80%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176603\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; \u4e0d\u6b63\u78ba\u7684\u5b57\u7b26\u4e32\u503c"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e4%b8%8d%e6%ad%a3%e7%a2%ba%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%80%bc-iEDjrkvPRi\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; 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id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-iEDjrkvPRi\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>\u4e0d\u6b63\u78ba\u7684\u5b57\u7b26\u4e32\u503c\u932f\u8aa4\u901a\u5e38\u662f\u7531\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u96c6\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u63d2\u5165\u7684\u5b57\u7b26\u4e32\u5305\u542b\u4e0d\u5728\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u7bc4\u570d\u5167\u7684\u5b57\u7b26\u6642\uff0c\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6578\u64da\u5eab\u4f7f\u7528\u7684\u662fUTF-8\u5b57\u7b26\u96c6\uff0c\u800c\u63d2\u5165\u7684\u5b57\u7b26\u4e32\u5305\u542b\u4e86\u67d0\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u5247\u53ef\u80fd\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u5982\u679c\u5617\u8a66\u5c07\u4e00\u500b\u8d85\u904e\u5b57\u6bb5\u9577\u5ea6\u9650\u5236\u7684\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u4e5f\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u9577\u5ea6\u70ba300\u7684\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u4e00\u500b\u5b9a\u7fa9\u70baVARCHAR(255)\u7684\u5b57\u6bb5\u4e2d\u3002<\/li>\n<li><strong>\u4e0d\u6b63\u78ba\u7684\u8f49\u7fa9\u5b57\u7b26\uff1a<\/strong>\u5728SQL\u8a9e\u53e5\u4e2d\u4f7f\u7528\u4e0d\u6b63\u78ba\u7684\u8f49\u7fa9\u5b57\u7b26\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u672a\u6b63\u78ba\u8f49\u7fa9\u7684\u55ae\u5f15\u865f\u6216\u96d9\u5f15\u865f\u53ef\u80fd\u6703\u5e72\u64feSQL\u8a9e\u53e5\u7684\u89e3\u6790\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-iEDjrkvPRi\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9\u300c\u4e0d\u6b63\u78ba\u7684\u5b57\u7b26\u4e32\u503c\u300d\u932f\u8aa4\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%ad%97%e7%ac%a6%e9%9b%86-iEDjrkvPRi\">1. \u6aa2\u67e5\u5b57\u7b26\u96c6<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u548c\u8868\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u67e5\u770b\u7576\u524d\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'character_set%';<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u5b57\u7b26\u96c6\u4e0d\u5339\u914d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u66f4\u6539\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>ALTER DATABASE your_database_name CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;<\/code><\/pre>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-iEDjrkvPRi\">2. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u78ba\u4fdd\u63d2\u5165\u7684\u6578\u64da\u985e\u578b\u8207\u6578\u64da\u5eab\u4e2d\u5b9a\u7fa9\u7684\u5b57\u6bb5\u985e\u578b\u76f8\u7b26\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u67e5\u770b\u8868\u7d50\u69cb\uff1a<\/p>\n<pre><code>DESCRIBE your_table_name;<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff0c\u5247\u9700\u8981\u8abf\u6574\u63d2\u5165\u7684\u6578\u64da\u6216\u66f4\u6539\u8868\u7d50\u69cb\u3002<\/p>\n<h3 id=\"3-%e6%ad%a3%e7%a2%ba%e8%bd%89%e7%be%a9%e5%ad%97%e7%ac%a6-iEDjrkvPRi\">3. 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