{"id":152605,"date":"2024-11-02T00:30:21","date_gmt":"2024-11-01T16:30:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152605\/"},"modified":"2024-11-02T00:30:23","modified_gmt":"2024-11-01T16:30:23","slug":"%e6%9f%a5%e7%9c%8b%e7%95%b6%e5%89%8d%e6%94%af%e6%8c%81%e7%9a%84-mysql-%e5%ad%97%e7%ac%a6%e9%9b%86%e7%9a%84%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152605\/","title":{"rendered":"\u67e5\u770b\u7576\u524d\u652f\u6301\u7684 MySQL \u5b57\u7b26\u96c6\u7684\u547d\u4ee4"},"content":{"rendered":"

\u67e5\u770b\u7576\u524d\u652f\u6301\u7684 MySQL \u5b57\u7b26\u96c6\u7684\u547d\u4ee4<\/h1>\n

\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u5b57\u7b26\u96c6\u7684\u9078\u64c7\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002\u5b57\u7b26\u96c6\u6c7a\u5b9a\u4e86\u6578\u64da\u5982\u4f55\u88ab\u7de8\u78bc\u548c\u89e3\u78bc\uff0c\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u8b80\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u67e5\u770b\u7576\u524d\u652f\u6301\u7684 MySQL \u5b57\u7b26\u96c6\uff0c\u4ee5\u53ca\u76f8\u95dc\u7684\u547d\u4ee4\u548c\u793a\u4f8b\u3002<\/p>\n

\u4ec0\u9ebc\u662f MySQL \u5b57\u7b26\u96c6\uff1f<\/h2>\n

MySQL \u5b57\u7b26\u96c6\u662f\u4e00\u7d44\u5b57\u7b26\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u5b57\u7b26\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u548c\u6aa2\u7d22\u6578\u64da\u3002\u6bcf\u500b\u5b57\u7b26\u96c6\u90fd\u6709\u4e00\u500b\u5c0d\u61c9\u7684\u6392\u5e8f\u898f\u5247\uff0c\u9019\u4e9b\u898f\u5247\u6c7a\u5b9a\u4e86\u5b57\u7b26\u7684\u6bd4\u8f03\u548c\u6392\u5e8f\u65b9\u5f0f\u3002MySQL \u652f\u6301\u591a\u7a2e\u5b57\u7b26\u96c6\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc UTF-8\u3001latin1 \u548c utf8mb4 \u7b49\u3002<\/p>\n

\u67e5\u770b\u7576\u524d\u652f\u6301\u7684\u5b57\u7b26\u96c6<\/h2>\n

\u8981\u67e5\u770b MySQL \u4e2d\u7576\u524d\u652f\u6301\u7684\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u547d\u4ee4\uff1a<\/p>\n

SHOW CHARACTER SET;<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u4e00\u500b\u5305\u542b\u6240\u6709\u652f\u6301\u7684\u5b57\u7b26\u96c6\u7684\u5217\u8868\uff0c\u5305\u62ec\u5b57\u7b26\u96c6\u7684\u540d\u7a31\u3001\u63cf\u8ff0\u548c\u6700\u5927\u5b57\u7bc0\u6578\u7b49\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u8f38\u51fa\uff1a<\/p>\n
+--------------------+-----------------------------+----------+\n| Charset            | Description                 | Maxlen   |\n+--------------------+-----------------------------+----------+\n| utf8               | UTF-8 Unicode               | 3        |\n| utf8mb4            | UTF-8 Unicode (4 bytes)    | 4        |\n| latin1             | ISO 8859-1 West European    | 1        |\n| ascii              | US ASCII                    | 1        |\n+--------------------+-----------------------------+----------+<\/code><\/pre>\n
\u67e5\u770b\u7576\u524d\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6<\/h2>\n
\u9664\u4e86\u67e5\u770b\u6240\u6709\u652f\u6301\u7684\u5b57\u7b26\u96c6\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u67e5\u770b\u7576\u524d\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
SHOW VARIABLES LIKE 'character_set_database';<\/code><\/pre>\n
\u9019\u5c07\u986f\u793a\u7576\u524d\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u3002\u4f8b\u5982\uff0c\u8f38\u51fa\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
+--------------------------+-------+\n| Variable_name            | Value |\n+--------------------------+-------+\n| character_set_database   | utf8  |\n+--------------------------+-------+<\/code><\/pre>\n
\u67e5\u770b\u7576\u524d\u8868\u7684\u5b57\u7b26\u96c6<\/h2>\n
\u5982\u679c\u60a8\u60f3\u67e5\u770b\u7279\u5b9a\u8868\u7684\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
SHOW TABLE STATUS LIKE 'your_table_name';<\/code><\/pre>\n
\u5c07 ‘your_table_name’ \u66ff\u63db\u70ba\u60a8\u8981\u67e5\u8a62\u7684\u8868\u540d\u3002\u9019\u5c07\u8fd4\u56de\u8a72\u8868\u7684\u72c0\u614b\u4fe1\u606f\uff0c\u5305\u62ec\u5b57\u7b26\u96c6\u3002\u4f8b\u5982\uff1a<\/p>\n
+----------------+--------+---------+------------+----------------+----------------+----------------+----------------+----------------+----------------+\n| Name           | Engine | Version | Row_format | Rows           | Avg_row_length | Data_length    | Max_data_length| Index_length   | Data_free      |\n+----------------+--------+---------+------------+----------------+----------------+----------------+----------------+----------------+----------------+\n| your_table_name| InnoDB | 10      | Dynamic    | 100            | 100            | 10000          | 0              | 4096           | 0              |\n+----------------+--------+---------+------------+----------------+----------------+----------------+----------------+----------------+----------------+<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u4e86\u89e3 MySQL \u7684\u5b57\u7b26\u96c6\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u67e5\u770b\u7576\u524d\u652f\u6301\u7684\u5b57\u7b26\u96c6\u3001\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u4ee5\u53ca\u7279\u5b9a\u8868\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u3002\u9019\u4e9b\u4fe1\u606f\u5c07\u5e6b\u52a9\u60a8\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4e91\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u7576\u524d\u652f\u6301\u7684 MySQL \u5b57\u7b26\u96c6\uff0c\u638c\u63e1\u76f8\u95dc\u547d\u4ee4\u4ee5\u512a\u5316\u6578\u64da\u5eab\u7684\u5b57\u7b26\u8655\u7406\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-152605","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152605","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=152605"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152605\/revisions"}],"predecessor-version":[{"id":152606,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152605\/revisions\/152606"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}