
复制if object_id(Test_Users) is not null drop table Test_Users go create table Test_Users(AutoID int identity(1,使用
1) primary key,UserGroupID int,UserName varchar(50)) go set xact_abort on begin tran insert into Test_Users(UserGroupID,UserName) select 2,aa union select 2,bb union select 3,cc union select 1,Admin union select 3,ff union select 2,pp commit tran go select * from Test_Users a where UserGroupID not in (select UserGroupID from Test_Users where AutoID<>a.AutoID) 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.