mysql中查看数据表占的存储空间

在mysql中查看数据库中各表所占用的存储空间

use information_schema;

select table_name,concat(round(sum(data_length/1024/1024),2),'MB') as data_length_MB,    
concat(round(sum(index_length/1024/1024),2),'MB') as index_length_MB    
from tables where    
table_schema='dbname' 
group by table_name;