{"id":108,"date":"2025-02-05T19:27:22","date_gmt":"2025-02-05T11:27:22","guid":{"rendered":"https:\/\/www.handytoo.com\/?p=108"},"modified":"2025-02-05T19:27:22","modified_gmt":"2025-02-05T11:27:22","slug":"mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e8%a1%a8%e5%8d%a0%e7%94%a8%e7%a9%ba%e9%97%b4%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/www.handytoo.com\/?p=108","title":{"rendered":"MySQL\u6570\u636e\u5e93\u5982\u4f55\u67e5\u770b\u8868\u5360\u7528\u7a7a\u95f4\u5927\u5c0f"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u539f\u7406<\/h2>\n\n\n\n<p>\u5728mysql\u4e2d\u6709\u4e00\u4e2a\u9ed8\u8ba4\u7684\u6570\u636e\u8868information_schema\uff0cinformation_schema\u8fd9\u5f20\u6570\u636e\u8868\u4fdd\u5b58\u4e86MySQL\u670d\u52a1\u5668\u6240\u6709\u6570\u636e\u5e93\u7684\u4fe1\u606f\u3002\u5982\u6570\u636e\u5e93\u540d\uff0c\u6570\u636e\u5e93\u7684\u8868\uff0c\u8868\u680f\u7684\u6570\u636e\u7c7b\u578b\u4e0e\u8bbf\u95ee\u6743\u9650\u7b49\u3002\u518d\u7b80\u5355\u70b9\uff0c\u8fd9\u53f0MySQL\u670d\u52a1\u5668\u4e0a\uff0c\u5230\u5e95\u6709\u54ea\u4e9b\u6570\u636e\u5e93\u3001\u5404\u4e2a\u6570\u636e\u5e93\u6709\u54ea\u4e9b\u8868\uff0c\u6bcf\u5f20\u8868\u7684\u5b57\u6bb5\u7c7b\u578b\u662f\u4ec0\u4e48\uff0c\u5404\u4e2a\u6570\u636e\u5e93\u8981\u4ec0\u4e48\u6743\u9650\u624d\u80fd\u8bbf\u95ee\uff0c\u7b49\u7b49\u4fe1\u606f\u90fd\u4fdd\u5b58\u5728information_schema\u8868\u91cc\u9762\uff0c\u6240\u4ee5\u8bf7\u52ff\u5220\u6539\u6b64\u8868\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f\uff1a\u4f7f\u7528\u67e5\u8be2\u547d\u4ee4\u524d\u5148\u5207\u6362\u5230\u6570\u636e\u8868<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">use information_schema;\n<\/pre>\n\n\n\n<p>\u67e5\u8be2\u6837\u4f8b\u7684\u5e93\uff1ashort_video \u8868\uff1avideo_info<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u770b\u6240\u6709\u6570\u636e\u5e93\u5bb9\u91cf\u5927\u5c0f<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">select\n table_schema as '\u6570\u636e\u5e93',\n sum(table_rows) as '\u8bb0\u5f55\u6570',\n sum(truncate(data_length\/1024\/1024, 2)) as '\u6570\u636e\u5bb9\u91cf(MB)',\n sum(truncate(index_length\/1024\/1024, 2)) as '\u7d22\u5f15\u5bb9\u91cf(MB)'\nfrom \n information_schema.tables\ngroup by \n table_schema\norder by \n sum(data_length) desc, \n sum(index_length) desc;\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u770b\u6307\u5b9a\u6570\u636e\u5e93\u4f7f\u7528\u5927\u5c0f<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">select concat(round(sum(data_length\/1024\/1024),2),'MB') as data from tables where table_schema='short_video';\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u770b\u8868\u4f7f\u7528\u5927\u5c0f<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">select concat(round(sum(data_length\/1024\/1024),2),'MB') as data from tables where table_schema='short_video' and \ntable_name='video_info';\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u770b\u6240\u6709\u6570\u636e\u5e93\u5bb9\u91cf\u5927\u5c0f<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">select\ntable_schema as '\u6570\u636e\u5e93',\nsum(table_rows) as '\u8bb0\u5f55\u6570',\nsum(truncate(data_length\/1024\/1024, 2)) as '\u6570\u636e\u5bb9\u91cf(MB)',\nsum(truncate(index_length\/1024\/1024, 2)) as '\u7d22\u5f15\u5bb9\u91cf(MB)'\nfrom information_schema.tables\ngroup by table_schema\norder by sum(data_length) desc, sum(index_length) desc;\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u770b\u6240\u6709\u6570\u636e\u5e93\u5404\u8868\u5bb9\u91cf\u5927\u5c0f<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">select\ntable_schema as '\u6570\u636e\u5e93',\ntable_name as '\u8868\u540d',\ntable_rows as '\u8bb0\u5f55\u6570',\ntruncate(data_length\/1024\/1024, 2) as '\u6570\u636e\u5bb9\u91cf(MB)',\ntruncate(index_length\/1024\/1024, 2) as '\u7d22\u5f15\u5bb9\u91cf(MB)'\nfrom information_schema.tables\norder by data_length desc, index_length desc;\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u770b\u6307\u5b9a\u6570\u636e\u5e93\u5bb9\u91cf\u5927\u5c0f<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">select\ntable_schema as '\u6570\u636e\u5e93',\nsum(table_rows) as '\u8bb0\u5f55\u6570',\nsum(truncate(data_length\/1024\/1024, 2)) as '\u6570\u636e\u5bb9\u91cf(MB)',\nsum(truncate(index_length\/1024\/1024, 2)) as '\u7d22\u5f15\u5bb9\u91cf(MB)'\nfrom information_schema.tables\nwhere table_schema='short_video';\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u770b\u6307\u5b9a\u6570\u636e\u5e93\u5404\u8868\u5bb9\u91cf\u5927\u5c0f<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">select\n  table_schema as '\u6570\u636e\u5e93',\n  table_name as '\u8868\u540d',\n  table_rows as '\u8bb0\u5f55\u6570',\n  truncate(data_length\/1024\/1024, 2) as '\u6570\u636e\u5bb9\u91cf(MB)',\n  truncate(index_length\/1024\/1024, 2) as '\u7d22\u5f15\u5bb9\u91cf(MB)'\nfrom information_schema.tables\nwhere table_schema='short_video'\norder by data_length desc, index_length desc;<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u7406 \u5728mysql\u4e2d\u6709\u4e00\u4e2a\u9ed8\u8ba4\u7684\u6570\u636e\u8868information_schema\uff0cinformation_schem [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[29],"class_list":["post-108","post","type-post","status-publish","format-standard","hentry","category-database","tag-mysql"],"_links":{"self":[{"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/posts\/108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=108"}],"version-history":[{"count":1,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/posts\/108\/revisions"}],"predecessor-version":[{"id":109,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/posts\/108\/revisions\/109"}],"wp:attachment":[{"href":"https:\/\/www.handytoo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}