{"id":6215,"date":"2024-11-14T12:17:24","date_gmt":"2024-11-14T04:17:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6215\/"},"modified":"2024-11-14T12:17:24","modified_gmt":"2024-11-14T04:17:24","slug":"mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b9%b1%e7%a0%81%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6215\/","title":{"rendered":"mysql\u6570\u636e\u5e93\u4e71\u7801\u5982\u4f55\u89e3\u51b3"},"content":{"rendered":"

\n mysql\u6570\u636e\u5e93\u4e71\u7801\u89e3\u51b3\u529e\u6cd5\uff1a\u68c0\u67e5\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\u662f\u5426\u5339\u914d\u3002\u4f7f\u7528alter database\u8bed\u53e5\u8bbe\u7f6e\u6b63\u786e\u7684\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\u3002\u91cd\u65b0\u52a0\u8f7d\u53d7\u5f71\u54cd\u7684\u8868\u4ee5\u5e94\u7528\u65b0\u8bbe\u7f6e\u3002\u53ef\u9009\u5730\u5bfc\u51fa\u548c\u5bfc\u5165\u6570\u636e\u4ee5\u4fee\u590d\u635f\u574f\u7684\u6570\u636e\u3002\u68c0\u67e5\u8fde\u63a5\u5b57\u7b26\u96c6\u4e0e\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u662f\u5426\u5339\u914d\u3002\n<\/p><\/blockquote>\n

\"mysql\u6570\u636e\u5e93\u4e71\u7801\u5982\u4f55\u89e3\u51b3\u63d2\u56fe\"<\/p>\n

MySQL \u6570\u636e\u5e93\u4e71\u7801\u89e3\u51b3\u529e\u6cd5<\/strong><\/p>\n

\u4e71\u7801\u539f\u56e0<\/strong><\/p>\n

MySQL \u6570\u636e\u5e93\u4e71\u7801\u901a\u5e38\u662f\u7531\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\u4e0d\u5339\u914d\u5f15\u8d77\u7684\u3002\u5b57\u7b26\u96c6\u5b9a\u4e49\u4e86\u6570\u636e\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u800c\u6821\u5bf9\u89c4\u5219\u6307\u5b9a\u4e86\u5b57\u7b26\u96c6\u4e2d\u7684\u5b57\u7b26\u5982\u4f55\u8fdb\u884c\u6bd4\u8f83\u548c\u6392\u5e8f\u3002<\/p>\n

\u89e3\u51b3\u529e\u6cd5<\/strong><\/p>\n

\u89e3\u51b3 MySQL \u6570\u636e\u5e93\u4e71\u7801\u95ee\u9898\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n

1. \u68c0\u67e5\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219<\/strong><\/p>\n

\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u5e76\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u9ed8\u8ba4\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\uff1a<\/p>\n

SHOW VARIABLES LIKE 'character_set_database';\nSHOW VARIABLES LIKE 'collation_database';<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u8bbe\u7f6e\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219<\/strong><\/p>\n
\u5982\u679c\u5b57\u7b26\u96c6\u6216\u6821\u5bf9\u89c4\u5219\u4e0d\u6b63\u786e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u5176\u8bbe\u7f6e\u4e3a\u6240\u9700\u7684\u8bbe\u7f6e\uff1a<\/p>\n
ALTER DATABASE database_name CHARACTER SET charset_name COLLATE collation_name;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u91cd\u65b0\u52a0\u8f7d\u8868<\/strong><\/p>\n
\u66f4\u6539\u5b57\u7b26\u96c6\u6216\u6821\u5bf9\u89c4\u5219\u540e\uff0c\u9700\u8981\u91cd\u65b0\u52a0\u8f7d\u53d7\u5f71\u54cd\u7684\u8868\u4ee5\u5e94\u7528\u65b0\u8bbe\u7f6e\uff1a<\/p>\n
ALTER TABLE table_name FORCE;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u5bfc\u51fa\u548c\u5bfc\u5165\u6570\u636e\uff08\u53ef\u9009\uff09<\/strong><\/p>\n
\u5982\u679c\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\u7684\u66f4\u6539\u5bfc\u81f4\u6570\u636e\u635f\u574f\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5bfc\u51fa\u4e3a\u6587\u672c\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528\u65b0\u8bbe\u7f6e\u5c06\u5176\u91cd\u65b0\u5bfc\u5165\u6570\u636e\u5e93\u3002<\/p>\n
5. \u68c0\u67e5\u8fde\u63a5\u5b57\u7b26\u96c6<\/strong><\/p>\n
\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u8981\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u3002\u786e\u4fdd\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u7684\u5b57\u7b26\u96c6\u4e0e\u6570\u636e\u5e93\u7684\u5b57\u7b26\u96c6\u76f8\u5339\u914d\u3002<\/p>\n
\u63d0\u793a<\/strong><\/p>\n
    \n
  • \u4f7f\u7528 UTF-8 \u4f5c\u4e3a\u5b57\u7b26\u96c6\uff0c\u56e0\u4e3a\u5b83\u652f\u6301\u5927\u591a\u6570\u8bed\u8a00\u3002<\/li>\n
  • \u4f7f\u7528 utf8mb4 \u4f5c\u4e3a\u6821\u5bf9\u89c4\u5219\uff0c\u5b83\u652f\u6301\u6240\u6709 Unicode \u5b57\u7b26\u3002<\/li>\n
  • \u5728\u6570\u636e\u5e93\u3001\u8868\u548c\u5217\u7ea7\u522b\u59cb\u7ec8\u6307\u5b9a\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\u3002<\/li>\n
  • \u4f7f\u7528\u660e\u786e\u7684\u5b57\u7b26\u96c6\u58f0\u660e\u907f\u514d\u5b57\u7b26\u96c6\u731c\u6d4b\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662f\u6570\u636e\u5e93\u4e71\u7801\u5982\u4f55\u89e3\u51b3\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    mysql\u6570\u636e\u5e93\u4e71\u7801\u89e3\u51b3\u529e\u6cd5\uff1a\u68c0\u67e5\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\u662f\u5426\u5339\u914d\u3002\u4f7f\u7528alter database\u8bed\u53e5\u8bbe\u7f6e\u6b63\u786e\u7684\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\u3002\u91cd\u65b0\u52a0\u8f7d\u53d7\u5f71\u54cd\u7684\u8868\u4ee5\u5e94\u7528\u65b0\u8bbe\u7f6e\u3002\u53ef\u9009\u5730\u5bfc\u51fa\u548c\u5bfc\u5165\u6570\u636e\u4ee5\u4fee\u590d\u635f\u574f\u7684\u6570\u636e\u3002\u68c0\u67e5\u8fde\u63a5\u5b57\u7b26\u96c6\u4e0e\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u662f\u5426\u5339\u914d\u3002 MySQL \u6570\u636e\u5e93\u4e71\u7801\u89e3\u51b3\u529e\u6cd5 \u4e71\u7801\u539f\u56e0 MySQL \u6570\u636e\u5e93\u4e71\u7801\u901a\u5e38\u662f\u7531\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\u4e0d\u5339\u914d\u5f15\u8d77\u7684\u3002\u5b57\u7b26\u96c6\u5b9a\u4e49\u4e86\u6570\u636e\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u800c\u6821\u5bf9\u89c4\u5219\u6307\u5b9a\u4e86\u5b57\u7b26\u96c6\u4e2d\u7684\u5b57\u7b26\u5982\u4f55\u8fdb\u884c\u6bd4\u8f83\u548c\u6392\u5e8f\u3002 \u89e3\u51b3\u529e\u6cd5 \u89e3\u51b3 MySQL \u6570\u636e\u5e93\u4e71\u7801\u95ee\u9898\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a 1. \u68c0\u67e5\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219 \u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u5e76\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u9ed8\u8ba4\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\uff1a SHOW VARIABLES LIKE ‘character_set_database’; SHOW VARIABLES LIKE ‘collation_database’; \u767b\u5f55\u540e\u590d\u5236 2. \u8bbe\u7f6e\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219 \u5982\u679c\u5b57\u7b26\u96c6\u6216\u6821\u5bf9\u89c4\u5219\u4e0d\u6b63\u786e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u5176\u8bbe\u7f6e\u4e3a\u6240\u9700\u7684\u8bbe\u7f6e\uff1a ALTER DATABASE database_name CHARACTER SET charset_name COLLATE collation_name; \u767b\u5f55\u540e\u590d\u5236 3. \u91cd\u65b0\u52a0\u8f7d\u8868 \u66f4\u6539\u5b57\u7b26\u96c6\u6216\u6821\u5bf9\u89c4\u5219\u540e\uff0c\u9700\u8981\u91cd\u65b0\u52a0\u8f7d\u53d7\u5f71\u54cd\u7684\u8868\u4ee5\u5e94\u7528\u65b0\u8bbe\u7f6e\uff1a ALTER TABLE table_name FORCE; \u767b\u5f55\u540e\u590d\u5236 4. \u5bfc\u51fa\u548c\u5bfc\u5165\u6570\u636e\uff08\u53ef\u9009\uff09 \u5982\u679c\u5b57\u7b26\u96c6\u548c\u6821\u5bf9\u89c4\u5219\u7684\u66f4\u6539\u5bfc\u81f4\u6570\u636e\u635f\u574f\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5bfc\u51fa\u4e3a\u6587\u672c\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528\u65b0\u8bbe\u7f6e\u5c06\u5176\u91cd\u65b0\u5bfc\u5165\u6570\u636e\u5e93\u3002 5. \u68c0\u67e5\u8fde\u63a5\u5b57\u7b26\u96c6 \u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u8981\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u3002\u786e\u4fdd\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u7684\u5b57\u7b26\u96c6\u4e0e\u6570\u636e\u5e93\u7684\u5b57\u7b26\u96c6\u76f8\u5339\u914d\u3002 \u63d0\u793a \u4f7f\u7528 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6215","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6215"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6215\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}