MYSQL列舉某個數據庫下面各個表的磁盤空間占用情況

列舉所有數據庫的磁盤空間占用情況

select TABLE_SCHEMA, concat(truncate(sum(data_length)/1024/1024,2),' MB') as data_size,
concat(truncate(sum(index_length)/1024/1024,2),' MB') as index_size
from information_schema.tables
group by TABLE_SCHEMA
order by data_length desc;

列舉某個數據庫下面各個表的磁盤空間占用情況

select TABLE_NAME, concat(truncate(data_length/1024/1024,2),' MB') as data_size,
concat(truncate(index_length/1024/1024,2),' MB') as index_size
from information_schema.tables where TABLE_SCHEMA = 'database_name'
group by TABLE_NAME
order by data_length desc;