MySQL查看数据库表容量大小
1.查看所有数据库容量大小（不需要修改任何代码）
1.查看所有数据库容量大小（不需要修改任何代码）
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;
