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create trigger tri_test on tb1
instead of insert
as
if @@rowcount>1
begin
rollback
return
end
insert into tb1 select * from inserted
if not exists(select * from inserted i join tb2 b on i.姓名=b.姓名)
insert into tb2 select * from inserted
else
update b
set b.姓名=i.姓名
from inserted i
join tb2 b
on i.姓名=b.姓名
go