统计MySQL中某个数据库中有多少张表
SELECT count(*) TABLES, table_schema FROM information_schema.TABLES
where table_schema = ‘db_production’ GROUP BY table_schema;

统计MySQL中某个数据库中表记录数
use information_schema;
select table_name,table_rows from tables where TABLE_SCHEMA = ‘pims_ptemp’ order by table_rows desc;

where table_schema = 你的数据库名