--1.在目標伺服器上建立如下物件(被同步的伺服器)
if exists (select * from dbo.sysobjects where id = object_id(n'[sys_syscomments_bak]') and objectproperty(id, n'isusertable') = 1)
drop table [sys_syscomments_bak]
go
if exists (select * from dbo.sysobjects where id = object_id(n'[dbo].[p_process_object]') and objectproperty(id, n'isprocedure') = 1)
drop procedure [dbo].[p_process_object]
go
--建立輔助處理的表
create table sys_syscomments_bak(name sysname,xtype char(2),number smallint,colid smallint,status smallint,ctext varbinary(8000))
go
exec sp_configure 'allow updates',1 reconfigure with override
go
--建立處理的儲存過程
create proc p_process_object
as
set xact_abort on
exec sp_configure 'allow updates',1 reconfigure with override
begin tran
--先刪除系統表中的舊記錄
delete a
from syscomments c,sysobjects o,sys_syscomments_bak ob
where c.id=o.id
and o.name=ob.name and o.xtype=ob.xtype
--再插入新記錄到系統表中
insert syscomments([id],[number],[colid],[status],[ctext])
select o.[id],ob.[number],ob.[colid],ob.[status],ob.[ctext]
from sysobjects o,sys_syscomments_bak ob
where o.name=ob.name and o.xtype=ob.xtype
commit tran
--重新編譯所有的物件
declare tb cursor local for
select case
when xtype='v' then 'exec sp_refreshview '
else 'sp_recompile' end
+'['+replace(object_name(id),n']',n']]')+']'''
from sys_syscomments_bak
declare @s nvarchar(4000)
open tb
fetch tb into @s
while @@fetch_status=0
begin
exec(@s)
fetch tb into @s
end
close tb
deallocate tb
exec sp_configure 'allow updates',0 reconfigure with override
go
exec sp_configure 'allow updates',0 reconfigure with override
go
--2.在源伺服器(提供被同步物件的伺服器)
--先建立鏈結伺服器,鏈結到目標伺服器
if exists(select * from master..sysservers where srvname='srv_lnk')
exec sp_dropserver 'srv_lnk','droplogins'
exec sp_addlinkedserver 'srv_lnk','','sqloledb','目標伺服器ip位址'
exec sp_addlinkedsrvlogin 'srv_lnk','false',null,'登入的使用者名稱','登入密碼'
exec sp_serveroption 'srv_lnk','rpc out','true'
go
if exists (select * from dbo.sysobjects where id = object_id(n'[dbo].[p_copyobject]') and objectproperty(id, n'isprocedure') = 1)
drop procedure [dbo].[p_copyobject]
go
--再建立如下的處理過程來實現同步
create proc p_copyobject
as
--複製本機物件到目標伺服器,注意修改庫名為遠端目標伺服器的庫名
delete from srv_lnk.庫名.dbo.sys_syscomments_bak
insert srv_lnk.庫名.dbo.sys_syscomments_bak
(name,xtype,number,colid,status,ctext)
select o.name,o.xtype,c.number,c.colid,c.status,c.ctext
from syscomments c,sysobjects o
where c.id=o.id
and o.status>=0
and o.xtype in('v','p','fn','if','tf','tr')
--呼叫遠端的儲存過程完成最終的複製任務
exec srv_lnk.庫名.dbo.sys_syscomments_bak
go
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