use tempdb
create table t1(
c1 int,c2 int
)
alter table t1 add constraint u_c unique(C1)
create unique index u_i on t1(C2)
---下面是外键
create table t2(
c1 int foreign key references t1(c1)
)
create table t3(
c2 int foreign key references t1(c2)
)
create table t1(
c1 int,c2 int
)
alter table t1 add constraint u_c unique(C1)
create unique index u_i on t1(C2)
---下面是外键
create table t2(
c1 int foreign key references t1(c1)
)
create table t3(
c2 int foreign key references t1(c2)
)
解决方案 »
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