–查看特定库的大小
select
concat(round(sum(DATA_LENGTH/1024/1024),2),’MB’) as data from
information_schema.TABLES where table_schema=’test’;
–查看指定库某个表的大小
select
concat(round(sum(DATA_LENGTH/1024/1024),2),’M’) from information_schema.tables
where table_schema=’test’ AND table_name=’t9′;
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=’t3ehbp’
order by data_length
desc, index_length desc;
