環境：
servername : test1
databasename : test1
tablename : table11
server name : test2
database name : test2
table name : table21
dsedit 加入同步伺服器設定
1> exec sp_addserver test2, asenterprise, test2 ######新增遠端伺服器資訊
2> go
adding server 'test2', physical name 'test2'
server added.
(return status = 0)
1> exec sp_addexternlogin test2, sa, sa , sybase ######新增遠端登陸資訊
2> go
user 'sa' will be known as 'sa' in remote server 'test2
(return status = 0)
1> use test11
2> go
1> create proxy_table table21 at "test2.test21.dbo.table21" ######建立**表
2> go
1> select * from table21 ######可訪問遠端伺服器表
2> go
id name
----------- ----------
2 alvin2
(1 row affected)
1> create trigger tr_table11 ######建立觸發器同步資料
2> on table11
3> for insert,update,delete
4> as
5> if not exists(select * from deleted) and exists(select * from inserted)
6> begin
7> insert into table21 select * from inserted
8> end
9> else if exists(select * from deleted) and not exists(select * from inserted)
10> begin
11> delete from table21 where id in (select id from deleted)
12> end
13> else if exists(select * from deleted) and exists(select * from inserted)
14> begin
15> delete from table21 where id in (select id from deleted)
16> insert into table21 select * from inserted
17> end
18> go
1> insert into table11 values(1,"alvin")
2> go
(1 row affected)
1> select * from table21
2> go
id name
----------- ----------
1 alvin
(1 row affected)
1> insert into table11 values(2,"alvi")
2> go
(1 row affected)
1> insert into table11 values(3,"alv")
2> go
(1 row affected)
1> commit
2> go
1> select * from table21 ######插入資料同步成功
2> go
id name
----------- ----------
1 alvin
2 alvi
3 alv
(3 rows affected)
1> delete from table11 where id=1
2> go
(1 row affected)
1> select * from table21 ######刪除資料同步成功
2> go
id name
----------- ----------
2 alvi
3 alv
(2 rows affected)
1> commit
2> go
1> update table11 set name="ultra" where id=2
2> go
(1 row affected)
1> select * from table21
2> go
id name
----------- ----------
3 alv
2 ultra
(2 rows affected)
1> update table11 set name="ultra" where id=3
2> go
(1 row affected)
1> commit
2> go
1> select * from table21 ######更新資料同步成功
2> go
id name
----------- ----------
2 ultra
3 ultra
(2 rows affected)
1> delete from table11 where id=2
2> go
(1 row affected)
1> select * from table21
2> go
id name
----------- ----------
3 ultra
(1 row affected)
1> delete from table11 where id=3
2> go
(1 row affected)
1> commit
2> go
1> select * from table21
2> go
id name
----------- ----------
(0 rows affected)
缺點：當備庫出現問題的時候 ，會影響主庫。
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