mysql 查看表大小

--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;