标签：schema class for data 查询 length row font span
1.查询某个数据库下有多少张表
SELECT COUNT(*) TABLES FROM information_schema.TABLES WHERE table_schema = ‘替换成你的数据库名‘;
2.查询某个数据库下每个表有多少条数据
select TABLE_NAME, concat(truncate(data_length/1024/1024,2),‘ MB‘) as data_size,table_rows
from information_schema.tables where TABLE_SCHEMA = ‘替换成你的数据库名‘;
标签：schema class for data 查询 length row font span
原文地址：https://www.cnblogs.com/linliquan/p/12096807.html
