用存儲過程實(shí)現(xiàn)SQL Server數(shù)據(jù)庫同步
下面我們開始介紹用存儲過程實(shí)現(xiàn)SQL Server數(shù)據(jù)庫的同步方法,首先說明,我們使用的存儲過程是需要運(yùn)行在服務(wù)器上的,如果換庫,不需要修改任何東西。接下來我們就逐步演示這一過程:
建立存儲所有表名的表:
- if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].p_bakup_tatle_all') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
- drop procedure [dbo].p_bakup_tatle_all
- GO
- create proc p_bakup_tatle_all
- as
- if exists (select * from dbo.sysobjects where id = object_id(N'table_all ') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
- drop table table_all
- CREATE TABLE [dbo].[Table_all](
- [id] [int] IDENTITY(1,1) NOT NULL,
- [name] [varchar](50) COLLATE Chinese_PRC_CI_AS NULL,
- CONSTRAINT [PK_Table_all] PRIMARY KEY CLUSTERED
- (
- [id] ASC
- )WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
- ) ON [PRIMARY]
將所有表名存放在表table_all中:
- insert into table_all(name) select name from sysobjects where xtype='U'
- GO
備份服務(wù)器上的存儲過程,若換庫,需要修改InfoCenter兩處,還有連接服務(wù)的地址。
創(chuàng)建數(shù)據(jù)同步的存儲過程:
- if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].p_bakup_tatle_all') and OBJECTPROPERTY(id, N'IsProcedure') =
- 1)
- drop procedure [dbo].p_bakup_tatle_all
- GO
- create proc p_bakup_tatle_all
- as
創(chuàng)建鏈接服務(wù)器:
- exec sp_addlinkedserver 'ITSV ', ' ', 'SQLOLEDB ', '61.135.203.103'
- exec sp_addlinkedsrvlogin 'ITSV ', 'false ',null, 'sa', 'comsky103@2011.com'
查詢示例 select * from ITSV.test.dbo.[users]。
導(dǎo)入將服務(wù)器上的表以及數(shù)據(jù)保存在本地:
- if exists (select * from dbo.sysobjects where id = object_id(N'table_all ') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
- drop table table_all
- select * into table_all from ITSV.InfoCenter.dbo.table_all
- DECLARE @Name varchar(50),@count int,@i int
- set @i=1
- select @countcount=count(*) from table_all
- while @i<=@count
- begin
- select @Name=name from table_all where id=@i
- if exists(select name from sysobjects where name=''+@name+'' and type='u')
- exec('drop table ['+@Name+']')
- exec('select * into ['+@Name+'] from ITSV.InfoCenter.dbo.['+@Name+']' )
- PRINT @Name
- set @i=@i+1
- PRINT @i
以后不再使用時刪除鏈接服務(wù)器:
- exec sp_dropserver 'ITSV ', 'droplogins'
- go
以上就是用存儲過程實(shí)現(xiàn)SQL Server數(shù)據(jù)庫同步的全部過程,本文就介紹到這里,謝謝大家的支持!
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