mysql命令查看某数据使用空间情况,索引,行数

SELECT TABLE_NAME,DATA_LENGTH,INDEX_LENGTH,(DATA_LENGTH+INDEX_LENGTH) as length,TABLE_ROWS,concat(round((DATA_LENGTH+INDEX_LENGTH)/1024/1024,3), 'MB') as total_size FROM information_schema.TABLES WHERE TABLE_SCHEMA='jiaozi' order by length desc;