摘要： 参考网址：http://database.51cto.com/art/201103/250046.htmSQL Server数据库多种方式查找重复记录select * from dbo.T0058_PointObjectGISwhere C0058_Lon in(select C0058_Lon from T0058_PointObjectGIS group by C0058_Lon having(COUNT(*))>1)select c0130_entcode,c0130_entname,COUNT(*) from T0140_EntList group by c0130_entcod 阅读全文