星爷的博客

一：去官网查看最新安装包 https://dev.mysql.com/downloads/repo/yum/ 二：下载MySQL源安装包 wget http://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm 安装MySql源 yum -y install mysql57-community-release-...

mssql查每张表的记录数，如下： with TableRecord(TableName,RecordCount) as   (     select o.name,i.rows     from sysobjects o,sysindexes i       where o.id=i.id and o.Xtype='U' and i.indid )   select * fro