本文給大家分享一個遠(yuǎn)程更新目標(biāo)庫數(shù)據(jù)的存儲過程，適用于更新列名一致，主鍵為Int類型，可遠(yuǎn)程鏈接的數(shù)據(jù)庫。

USE [Table]–切換到源表，就是數(shù)據(jù)最新的那個表
GO
/****** Object: StoredProcedure [dbo].[proc_DataUpdate] Script Date: 2018/5/4 15:08:56 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
— =============================================
— Author: <Grom>
— Create date: <2018-05-04>
— Description: <分批更新遠(yuǎn)程數(shù)據(jù),僅支持主鍵為int表>
— =============================================
CREATE PROCEDURE [dbo].[proc_DataUpdate]
@TargetInstance nvarchar(max),
@TargetDBName nvarchar(max),
@TargetUID nvarchar(max),
@TargetPWD nvarchar(max),
@LocalDBName nvarchar(max),
@PK_ID nvarchar(max),–主鍵列(必須為數(shù)字)
@Column nvarchar(max),–更新列名集合
@ExecSize int–每次執(zhí)行數(shù)量
AS
declare @sql nvarchar(max),
@NumMax int=0,
@NumMin int=0,
@MaxID int
BEGIN
— SET NOCOUNT ON added to prevent extra result sets from
— interfering with SELECT statements.
— SET NOCOUNT ON;–打開注釋可不顯示執(zhí)行過程，提高速度
begin try
　　–取最大值
　　set @sql = ‘select @MaxID=MAX(‘+@PK_ID+’) from ‘+@LocalDBName;
　　exec sp_executesql @sql,N’@MaxID int out’,@MaxID out
　　–循環(huán)
　　while(@NumMax<@MaxID)
　　begin
　　　　if exists (select * from tempdb.dbo.sysobjects where id = object_id(N’tempdb..##tmp_table’) and type=’U’)
　　　　drop table ##tmp_table;
　　　　SET @sql = ‘select top ‘+cast(@ExecSize as nvarchar(1000))+’ ‘+ @Column +’ into ##tmp_table from ‘+@LocalDBName+’ where ‘+@PK_ID+’>’+cast(@NumMax as nvarchar(150));
　　　　exec sp_executesql @sql;
　　　　–記錄執(zhí)行最大值
　　　　SET @SQL=’select @NumMax=MAX(‘+@PK_ID+’) from ##tmp_table’;
　　　　exec sp_executesql @sql,N’@NumMax int out’,@NumMax out;
　　　　–記錄執(zhí)行最小值
　　　　SET @SQL=’select @NumMin=MIN(‘+@PK_ID+’) from ##tmp_table’;
　　　　exec sp_executesql @sql,N’@NumMin int out’,@NumMin out;
　　　　SET @sql=’delete openrowset(”SQLOLEDB”,”’+@TargetInstance+”’;”’+@TargetUID+”’;”’+@TargetPWD+”’,[‘+@TargetDBName+’].[dbo].[‘+@LocalDBName+’])
　　　　where ‘+@PK_ID+’ between ‘+cast(@NumMin as nvarchar(200))+’ and ‘+cast(@NumMax as nvarchar(200));
　　　　exec sp_executesql @sql;
　　　　SET @sql=’insert into openrowset(”SQLOLEDB”,”’+@TargetInstance+”’;”’+@TargetUID+”’;”’+@TargetPWD+”’,[‘+@TargetDBName+’].[dbo].[‘+@LocalDBName+’])
　　　　(‘+@Column+’)
　　　　select ‘+ @Column +’ from ##tmp_table’
　　　　exec sp_executesql @sql;
　　end
　　–刪除多余數(shù)據(jù)
　　SET @sql=’delete openrowset(”SQLOLEDB”,”’+@TargetInstance+”’;”’+@TargetUID+”’;”’+@TargetPWD+”’,[‘+@TargetDBName+’].[dbo].[‘+@LocalDBName+’])
　　where ‘+@PK_ID+’ >’+cast(@NumMax as nvarchar(200));
　　drop table ##tmp_table;
　　print ‘Success’;
end try
begin catch
　　select Error_number() as ErrorNumber, –錯誤代碼
　　Error_severity() as ErrorSeverity, –錯誤嚴(yán)重級別，級別小于10 try catch 捕獲不到
　　Error_state() as ErrorState , –錯誤狀態(tài)碼
　　Error_Procedure() as ErrorProcedure , –出現(xiàn)錯誤的存儲過程或觸發(fā)器的名稱。
　　Error_line() as ErrorLine, –發(fā)生錯誤的行號
　　Error_message() as ErrorMessage –錯誤的具體信息
　　drop table ##tmp_table;
end catch
END