22,209
社区成员
发帖
与我相关
我的任务
分享
create table T(ID int unique)
create table T2(ID int references t(ID) on delete cascade )
create table T3(ID int references t(ID) on delete cascade)
--drop table t2,t3,t
go
insert t select 1
insert t2 select 1
insert t3 select 1
go
delete t