摘要: 在mysql执行相同的查询操作: 关联子查询: SELECT a.BranchID,b.orgname FROM TargetCustomer AS a JOIN Organization AS b ON a.BranchID=b.orgid; 执行时间:00:00:00:156   标量子查询 SELECT a.branchid,(SELECT orgname FROM Org... 阅读全文
posted @ 2010-12-01 09:38 远去的河流 阅读(803) 评论(0) 推荐(0) 编辑