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Express 버전의 경우 서버 에이젼트가 설치되지 않아 작업스케쥴링을 설정하는것이 불가능합니다..


그래서 배치파일("sqlcmd")과 프로시져를 이용한 백업 스크립트를 작성하고  윈도우 스케쥴링을 통해 자동 백업을 실행 할 수 있습니다.


상세한 내용은 MS Support Url을 참조해주세요. ( http://support.microsoft.com/kb/2019698/en-usViewer )


1. 백업을 위한 프로시져 생성


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// Copyright © Microsoft Corporation.  All Rights Reserved.
// This code released under the terms of the
// Microsoft Public License (MS-PL, http://opensource.org/licenses/ms-pl.html.)
USE [master]
GO
/****** Object:  StoredProcedure [dbo].[sp_BackupDatabases] ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
  
-- =============================================
-- Author: Microsoft
-- Create date: 2010-02-06
-- Description: Backup Databases for SQLExpress
-- Parameter1: databaseName
-- Parameter2: backupType F=full, D=differential, L=log
-- Parameter3: backup file location
-- =============================================
  
CREATE PROCEDURE [dbo].[sp_BackupDatabases] 
            @databaseName sysname = null,
            @backupType CHAR(1),
            @backupLocation nvarchar(200)
AS
  
       SET NOCOUNT ON;
            
            DECLARE @DBs TABLE
            (
                  ID int IDENTITY PRIMARY KEY,
                  DBNAME nvarchar(500)
            )
            
             -- Pick out only databases which are online in case ALL databases are chosen to be backed up
             -- If specific database is chosen to be backed up only pick that out from @DBs
            INSERT INTO @DBs (DBNAME)
            SELECT Name FROM master.sys.databases
            where state=0
            AND name=@DatabaseName
            OR @DatabaseName IS NULL
            ORDER BY Name
            
            -- Filter out databases which do not need to backed up
            IF @backupType='F'
                  BEGIN
                  DELETE @DBs where DBNAME IN ('tempdb','Northwind','pubs','AdventureWorks')
                  END
            ELSE IF @backupType='D'
                  BEGIN
                  DELETE @DBs where DBNAME IN ('tempdb','Northwind','pubs','master','AdventureWorks')
                  END
            ELSE IF @backupType='L'
                  BEGIN
                  DELETE @DBs where DBNAME IN ('tempdb','Northwind','pubs','master','AdventureWorks')
                  END
            ELSE
                  BEGIN
                  RETURN
                  END
            
            -- Declare variables
            DECLARE @BackupName varchar(100)
            DECLARE @BackupFile varchar(100)
            DECLARE @DBNAME varchar(300)
            DECLARE @sqlCommand NVARCHAR(1000)
        DECLARE @dateTime NVARCHAR(20)
            DECLARE @Loop int                 
                        
            -- Loop through the databases one by one
            SELECT @Loop = min(ID) FROM @DBs
  
      WHILE @Loop IS NOT NULL
      BEGIN
  
-- Database Names have to be in [dbname] format since some have - or _ in their name
      SET @DBNAME = '['+(SELECT DBNAME FROM @DBs WHERE ID = @Loop)+']'
  
-- Set the current date and time n yyyyhhmmss format
      SET @dateTime = REPLACE(CONVERT(VARCHAR, GETDATE(),101),'/','') + '_' +  REPLACE(CONVERT(VARCHAR, GETDATE(),108),':','') 
  
-- Create backup filename in path\filename.extension format for full,diff and log backups
      IF @backupType = 'F'
            SET @BackupFile = @backupLocation+REPLACE(REPLACE(@DBNAME, '[',''),']','')+ '_FULL_'+ @dateTime+ '.BAK'
      ELSE IF @backupType = 'D'
            SET @BackupFile = @backupLocation+REPLACE(REPLACE(@DBNAME, '[',''),']','')+ '_DIFF_'+ @dateTime+ '.BAK'
      ELSE IF @backupType = 'L'
            SET @BackupFile = @backupLocation+REPLACE(REPLACE(@DBNAME, '[',''),']','')+ '_LOG_'+ @dateTime+ '.TRN'
  
-- Provide the backup a name for storing in the media
      IF @backupType = 'F'
            SET @BackupName = REPLACE(REPLACE(@DBNAME,'[',''),']','') +' full backup for '+ @dateTime
      IF @backupType = 'D'
            SET @BackupName = REPLACE(REPLACE(@DBNAME,'[',''),']','') +' differential backup for '+ @dateTime
      IF @backupType = 'L'
            SET @BackupName = REPLACE(REPLACE(@DBNAME,'[',''),']','') +' log backup for '+ @dateTime
  
-- Generate the dynamic SQL command to be executed
  
       IF @backupType = 'F'
                  BEGIN
               SET @sqlCommand = 'BACKUP DATABASE ' +@DBNAME+  ' TO DISK = '''+@BackupFile+ ''' WITH INIT, NAME= ''' +@BackupName+''', NOSKIP, NOFORMAT'
                  END
       IF @backupType = 'D'
                  BEGIN
               SET @sqlCommand = 'BACKUP DATABASE ' +@DBNAME+  ' TO DISK = '''+@BackupFile+ ''' WITH DIFFERENTIAL, INIT, NAME= ''' +@BackupName+''', NOSKIP, NOFORMAT'       
                  END
       IF @backupType = 'L'
                  BEGIN
               SET @sqlCommand = 'BACKUP LOG ' +@DBNAME+  ' TO DISK = '''+@BackupFile+ ''' WITH INIT, NAME= ''' +@BackupName+''', NOSKIP, NOFORMAT'       
                  END
  
-- Execute the generated SQL command
       EXEC(@sqlCommand)
  
-- Goto the next database
SELECT @Loop = min(ID) FROM @DBs where ID>@Loop
  
END



2. 백업 프로시져 호출을 위한 bat 파일을 생성합니다.

( 아래 스크립트는 MS 사이트에서 가져온 내용이고.. 위의 프로시져를 보시는편이 더 쉽게 이해하실수 있을 것 같습니다....)

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-- 전체 백업 , 윈도우 인증을 통한 SQL EXPRESS의 모든 대상 백업.
sqlcmd -S .\EXPRESS –E -Q "EXEC sp_BackupDatabases @backupLocation='D:\SQLBackups\', @backupType='F'"
 
-- 차등 백업 ,  Login 인증을 통한 SQL EXPRESS의 모든 대상 백업.
sqlcmd -U SQLLogin -P password -S .\SQLEXPRESS -Q "EXEC sp_BackupDatabases @backupLocation ='D:\SQLBackups', @BackupType=’D’"
 
-- 로그 전체 백업 , 윈도우 인증을  SQL EXPRESS의 모든 대상 백업.
sqlcmd -S .\SQLEXPRESS -E -Q "EXEC sp_BackupDatabases @backupLocation='D:\SQLBackups\',@backupType='L'"
 
-- 전체 백업 , 지정된 DB 를 윈도우 인증을 통해 백업
sqlcmd -S .\SQLEXPRESS -E -Q "EXEC sp_BackupDatabases @backupLocation='D:\SQLBackups\', @databaseName=’USERDB’, @backupType='F'"


 실제사용한 백업 배치파일 스크립트

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sqlcmd -S .\SQLEXPRESS -E -Q "EXEC sp_BackupDatabases @backupLocation='E:\uhoon_DB_BACKUP\', @databaseName='db_name', @backupType='F'"




3. 위의 스크립트를 통해 생성한 배치파일을 실행하는것으로 백업이 가능하며

윈도우 스케쥴링에 등록하여 자동 백업이 가능하게 됩니다.


출처 - http://www.uhoon.co.kr/mssql/1301


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