{"id":162841,"date":"2024-11-04T18:28:18","date_gmt":"2024-11-04T10:28:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162841\/"},"modified":"2024-11-04T18:28:19","modified_gmt":"2024-11-04T10:28:19","slug":"%e6%95%99%e4%bd%a0%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8mysql-5-7%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%a1%e6%81%af%ef%bc%88mysql-5-7%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162841\/","title":{"rendered":"\u6559\u4f60\u5982\u4f55\u4f7f\u7528MySQL 5.7\u67e5\u770b\u6578\u64da\u5eab\u4fe1\u606f\uff08MySQL 5.7\u67e5\u770b\u6578\u64da\u5eab\uff09"},"content":{"rendered":"

\u6559\u4f60\u5982\u4f55\u4f7f\u7528MySQL 5.7\u67e5\u770b\u6578\u64da\u5eab\u4fe1\u606f<\/h1>\n

MySQL\u662f\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002MySQL 5.7\u7248\u672c\u5f15\u5165\u4e86\u8a31\u591a\u65b0\u7279\u6027\u548c\u6539\u9032\uff0c\u4f7f\u5f97\u6578\u64da\u5eab\u7ba1\u7406\u66f4\u52a0\u9ad8\u6548\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528MySQL 5.7\u67e5\u770b\u6578\u64da\u5eab\u4fe1\u606f\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u548c\u7ba1\u7406\u5176\u6578\u64da\u5eab\u3002<\/p>\n

\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab<\/h2>\n

\u5728\u67e5\u770b\u6578\u64da\u5eab\u4fe1\u606f\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9023\u63a5\u5230MySQL\u670d\u52d9\u5668\u3002\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u6216\u5716\u5f62\u754c\u9762\u5de5\u5177\uff08\u5982MySQL Workbench\uff09\u4f86\u9032\u884c\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u9023\u63a5\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

mysql -u username -p<\/code><\/pre>\n
\u5728\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u5f8c\uff0c\u7cfb\u7d71\u6703\u63d0\u793a\u60a8\u8f38\u5165\u5bc6\u78bc\u3002\u8f38\u5165\u6b63\u78ba\u7684\u5bc6\u78bc\u5f8c\uff0c\u60a8\u5c07\u9032\u5165MySQL\u547d\u4ee4\u884c\u754c\u9762\u3002<\/p>\n
\u67e5\u770b\u6240\u6709\u6578\u64da\u5eab<\/h2>\n
\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u670d\u52d9\u5668\u4e0a\u6240\u6709\u7684\u6578\u64da\u5eab\uff1a<\/p>\n
SHOW DATABASES;<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u5217\u51fa\u6240\u6709\u53ef\u7528\u7684\u6578\u64da\u5eab\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9078\u64c7\u8981\u67e5\u770b\u7684\u6578\u64da\u5eab\u3002<\/p>\n
\u9078\u64c7\u6578\u64da\u5eab<\/h2>\n
\u8981\u67e5\u770b\u7279\u5b9a\u6578\u64da\u5eab\u7684\u4fe1\u606f\uff0c\u9996\u5148\u9700\u8981\u9078\u64c7\u8a72\u6578\u64da\u5eab\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
USE database_name;<\/code><\/pre>\n
\u5c07 database_name<\/code> \u66ff\u63db\u70ba\u60a8\u8981\u67e5\u770b\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n
\u67e5\u770b\u6578\u64da\u5eab\u8868\u683c<\/h2>\n
\u9078\u64c7\u6578\u64da\u5eab\u5f8c\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u8a72\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u683c\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
SHOW TABLES;<\/code><\/pre>\n
\u9019\u5c07\u5217\u51fa\u8a72\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u683c\u540d\u7a31\u3002<\/p>\n
\u67e5\u770b\u8868\u683c\u7d50\u69cb<\/h2>\n
\u8981\u67e5\u770b\u7279\u5b9a\u8868\u683c\u7684\u7d50\u69cb\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
DESCRIBE table_name;<\/code><\/pre>\n
\u5c07 table_name<\/code> \u66ff\u63db\u70ba\u60a8\u8981\u67e5\u770b\u7684\u8868\u683c\u540d\u7a31\u3002\u9019\u689d\u547d\u4ee4\u5c07\u986f\u793a\u8a72\u8868\u683c\u7684\u5217\u540d\u3001\u6578\u64da\u985e\u578b\u3001\u662f\u5426\u53ef\u4ee5\u70baNULL\u3001\u9375\u985e\u578b\u7b49\u4fe1\u606f\u3002<\/p>\n
\u67e5\u770b\u8868\u683c\u4e2d\u7684\u6578\u64da<\/h2>\n
\u5982\u679c\u60a8\u60f3\u67e5\u770b\u8868\u683c\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
SELECT * FROM table_name;<\/code><\/pre>\n
\u9019\u5c07\u986f\u793a\u8a72\u8868\u683c\u4e2d\u7684\u6240\u6709\u6578\u64da\u3002\u6839\u64da\u9700\u8981\uff0c\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u689d\u4ef6\u4f86\u904e\u6ffe\u6578\u64da\uff0c\u4f8b\u5982\uff1a<\/p>\n
SELECT * FROM table_name WHERE condition;<\/code><\/pre>\n
\u67e5\u770b\u6578\u64da\u5eab\u7684\u5176\u4ed6\u4fe1\u606f<\/h2>\n
\u9664\u4e86\u67e5\u770b\u8868\u683c\u548c\u6578\u64da\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u7372\u53d6\u6709\u95dc\u6578\u64da\u5eab\u7684\u5176\u4ed6\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff1a<\/p>\n
SELECT table_schema \"Database\", \n       SUM(data_length + index_length) \/ 1024 \/ 1024 \"Size (MB)\" \nFROM information_schema.TABLES \nGROUP BY table_schema;<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u986f\u793a\u6240\u6709\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u5e6b\u52a9\u60a8\u4e86\u89e3\u5b58\u5132\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528MySQL 5.7\u67e5\u770b\u6578\u64da\u5eab\u4fe1\u606f\u3002\u7121\u8ad6\u662f\u67e5\u770b\u6578\u64da\u5eab\u3001\u8868\u683c\u7d50\u69cb\u9084\u662f\u6578\u64da\u5167\u5bb9\uff0c\u9019\u4e9b\u57fa\u672c\u547d\u4ee4\u90fd\u80fd\u5e6b\u52a9\u60a8\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528MySQL 5.7\u67e5\u770b\u6578\u64da\u5eab\u4fe1\u606f\uff0c\u638c\u63e1\u57fa\u672c\u6307\u4ee4\u548c\u6280\u5de7\uff0c\u8f15\u9b06\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u5eab\u5167\u5bb9\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-162841","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162841","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=162841"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162841\/revisions"}],"predecessor-version":[{"id":162842,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162841\/revisions\/162842"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}