2017年9月27日
sql server: left join 重复数据
摘要： ---涂聚文 2017-9-28 SELECT VipExamMailProjectId,VipExamMailStaffID FROM VipExamMailRecord WHERE VipExamMailProjectId = 1 GROUP BY VipExamMailStaffID,VipExamMailProjectId HAVING COUNT(1)>1 ORDER ... 阅读全文
posted @ 2017-09-27 17:08 ®Geovin Du Dream Park™ 阅读(778) 评论(0) 推荐(1)