MySQL中怎么查看数据库表容量大小
MySQL中怎么查看数据库表容量大小,很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。
站在用户的角度思考问题,与客户深入沟通,找到芷江网站设计与芷江网站推广的解决方案,凭借多年的经验,让设计与互联网技术结合,创造个性化、用户体验好的作品,建站类型包括:成都做网站、成都网站制作、成都外贸网站建设、企业官网、英文网站、手机端网站、网站推广、域名注册、网页空间、企业邮箱。业务覆盖芷江地区。
1. 查看所有数据库容量大小
SELECT table_schema AS '数据库', sum( table_rows ) AS '记录数', sum( TRUNCATE ( data_length / 1024 / 1024, 2 ) ) AS '数据容量(MB)', sum( TRUNCATE ( index_length / 1024 / 1024, 2 ) ) AS '索引容量(MB)' FROM information_schema.TABLES GROUP BY table_schema ORDER BY sum( data_length ) DESC, sum( index_length ) DESC;
2. 查看所有数据库各表容量大小
SELECT table_schema AS '数据库', table_name AS '表名', table_rows AS '记录数', TRUNCATE ( data_length / 1024 / 1024, 2 ) AS '数据容量(MB)', TRUNCATE ( index_length / 1024 / 1024, 2 ) AS '索引容量(MB)' FROM information_schema.TABLES ORDER BY data_length DESC, index_length DESC;
3. 查看指定数据库容量大小
SELECT table_schema AS '数据库', sum( table_rows ) AS '记录数', sum( TRUNCATE ( data_length / 1024 / 1024, 2 ) ) AS '数据容量(MB)', sum( TRUNCATE ( index_length / 1024 / 1024, 2 ) ) AS '索引容量(MB)' FROM information_schema.TABLES WHERE table_schema = 'mysql';
4. 查看指定数据库各表容量大小
SELECT table_schema AS '数据库', table_name AS '表名', table_rows AS '记录数', TRUNCATE ( data_length / 1024 / 1024, 2 ) AS '数据容量(MB)', TRUNCATE ( index_length / 1024 / 1024, 2 ) AS '索引容量(MB)' FROM information_schema.TABLES WHERE table_schema = 'mysql' ORDER BY data_length DESC, index_length DESC;
看完上述内容是否对您有帮助呢?如果还想对相关知识有进一步的了解或阅读更多相关文章,请关注创新互联行业资讯频道,感谢您对创新互联的支持。
网页题目:MySQL中怎么查看数据库表容量大小
标题URL:http://scyanting.com/article/ieicee.html