简单的两库同步触发器

create database B
go
use B
go
create table man(a int, b int, c int, d int)
go

--
create database A
go
use A
go
create table man(a int, b int, c int)

create trigger tr_man_delete on man
for delete
as
 delete tmpB
 from deleted A, B.dbo.man tmpB
 where A.a=tmpB.a and A.b=tmpB.b and A.c=tmpB.c
go

create trigger tr_man_insert on man
for insert
as
 insert B.dbo.man
 select *, 1 from inserted
go

create trigger tr_man_update on man
for update
as
 update B.dbo.man tmpB set tmpB.a=inserted.a, tmpB.b=inserted.b, tmpB.c=inserted.c
 from inserted, deleted
 where tmpB.a=deleted.a and tmpB.b=deleted.b and tmpB.c=deleted.c
go