1.查詢表A中ID出現3次以上重復的記錄
SELECT * FROM T_DesignReply WHERE Dr_ProjectNumber IN
(
SELECT Dr_ProjectNumber FROM T_DesignReply GROUP BY Dr_ProjectNumber HAVING count(Dr_ProjectNumber)>3
)
==》Select *From A Where id in(select ID from A group by id having count(id)>3)
2.查詢表A中IName出現3次以上重復的記錄
Select * From A Where Name in(select Name from A group by Name having count(Name)>3