MySQL查看表占用空间容量各表所有表
1、切换数据库
use information_schema;
2、查看数据库使用大小
select concat(round(sum(data_length/1024/1024),2),'MB') as data from tables where table_schema='DB_Name';
3、查看表使用大小
SELECT concat(ROUND(SUM(data_length / 1024 / 1024), 2), 'MB') AS data FROM tables WHERE table_schema = 'DB_Name' AND table_name = 'Table_Name';
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 = 'DB_Name' ORDER BY data_length DESC
其中Db_Name是数据库名 Table_Name 是表名
查看所有表容量示例