sql server根据一级分类查询所有子级分类 

1 WITH a AS
2  (
3     SELECT * FROM dbo.db_UserGroup WHERE TB_UserGroupID=1
4     UNION ALL SELECT s.* FROM dbo.db_UserGroup AS s,a WHERE s.FK_ParentId=a.TB_UserGroupID
5 )
6 SELECT * FROM a

 

posted @ 2016-08-26 14:32  zhang_r  阅读(4050)  评论(1)  编辑  收藏  举报