--创建视图 create view StuClassView as SELECT s.ID ,s.StuName ,s.StuAge ,s.StuAddress ,s.StuTel ,s.ClassId ,s.StuId,s.StuSex ,e.ClassName,e.ClassInfo,e.ClassFlag FROM Classes as e left join Students as s on s.ClassId=e.ClassId end) as '男', end) as '女' fr
如何知道SQL Server机器上有多少个NUMA节点 文章出处: How can you tell how many NUMA nodes your SQL Server has? http://itknowledgeexchange.techtarget.com/sql-server/can-tell-many-numa-nodes-sql-server/?agedby=16 Virtual Machines can have NUMA configurations as well (typ
上一条记录的SQL语句: * from news where newsid<id order by newsid DESC 下一条记录的SQL语句: * from news where newsid>id order by newsid ASC 开发中遇到需要在当前页面显示当前文章的上一篇文章和下一篇文章,百度了一下,搜索到以上SQL语句:
StringBuilder sql = new StringBuilder("select accountId, concat( ',', GROUP_CONCAT(FIND_IN_SET(campusId,'").append(joinIds).append("') ) , ',' ) idx " ) .append(" from org_campus_account GROUP BY accountId having idx not like '%,0