SQL2000 关于用代码进行备份等操作

--参考 /*******************完整备份作业*******************/
--完整备份,每周一次
USE Master
GO
declare @str varchar(100)
set @str='D:\DBtext\jgj\DBABak\FullBak'+replace(replace(replace(convert(varchar,getdate(),20),'-',''),' ',''),':','')+'.bak'
BACKUP DATABASE [demo] TO DISK=@str WITH RETAINDAYS=15,NOFORMAT,NOINIT, NAME=N'Demo完整备份',SKIP,NOREWIND, NOUNLOAD,STATS=10
GO

/*******************差异备份作业*******************/
--截断日志
USE Master
GO
BACKUP LOG Demo WITH NO_LOG

GO --收缩日志文件
USE Demo
GO
DBCC SHRINKFILE (N'Demo_log',0,TRUNCATEONLY)
GO --差异备份,每天一次
USE Master
GO
declare @str varchar(100)
set @str='D:\DBtext\jgj\DBABak\DiffBak'+replace(replace(replace(convert(varchar,getdate(),20),'-',''),' ',''),':','')+'.diff'
BACKUP DATABASE [Demo] TO DISK=@str WITH DIFFERENTIAL,RETAINDAYS=8,NOFORMAT,NOINIT, NAME=N'Demo差异备份',SKIP,NOREWIND, NOUNLOAD,STATS=10
GO
/******************日志备份作业*******************/
--日志备份,每小时一次
USE Demo
GO
declare @str varchar(100)
set @str='D:\DBtext\jgj\DBABak\logbak'+replace(replace(replace(convert(varchar,getdate(),20),'-',''),' ',''),':','')+'.trn'
BACKUP LOG [Demo] TO DISK=@str WITH RETAINDAYS=3,NOFORMAT,NOINIT, NAME=N'Demo日志备份',SKIP,NOREWIND, NOUNLOAD,STATS=10
GO
--删除过期的备份文件,每天两次
declare @str varchar(100),@dir varchar(100),@fileName varchar(30)
set @dir='del D:\DBtext\jgj\DBABak\'
set @filename=left(replace(replace(replace(convert(varchar,getdate()-15,20),'-',''),' ',''),':',''),8)
set @str=@dir+'fullbak'+@filename+'*.bak'
exec xp_cmdshell @str
set @filename=left(replace(replace(replace(convert(varchar,getdate()-8,20),'-',''),' ',''),':',''),8)
set @str=@dir+'diffbak'+@filename+'*.diff'
exec xp_cmdshell @str
set @filename=left(replace(replace(replace(convert(varchar,getdate()-8,20),'-',''),' ',''),':',''),8)
set @str=@dir+'logbak'+@filename+'*.trn'
exec xp_cmdshell @str

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SQL企业管理器提取的SQL脚本

-- 2012-02-22/10:10 上生成的脚本
-- 由: HEQUANXIN\Tyler
-- 服务器: (LOCAL)

BEGIN TRANSACTION            
  DECLARE @JobID BINARY(16)  
  DECLARE @ReturnCode INT    
  SELECT @ReturnCode = 0     
IF (SELECT COUNT(*) FROM msdb.dbo.syscategories WHERE name = N'Database Maintenance') < 1
  EXECUTE msdb.dbo.sp_add_category @name = N'Database Maintenance'

  -- 删除同名的警报（如果有的话）。
  SELECT @JobID = job_id     
  FROM   msdb.dbo.sysjobs    
  WHERE (name = N'DB 维护计划“FGPSN备份计划”的 DB 备份作业。')       
  IF (@JobID IS NOT NULL)    
  BEGIN  
  -- 检查此作业是否为多重服务器作业  
  IF (EXISTS (SELECT  *
              FROM    msdb.dbo.sysjobservers
              WHERE   (job_id = @JobID) AND (server_id <> 0)))
  BEGIN
    -- 已经存在，因而终止脚本
    RAISERROR (N'无法导入作业“DB 维护计划“FGPSN备份计划”的 DB 备份作业。”，因为已经有相同名称的多重服务器作业。', 16, 1)
    GOTO QuitWithRollback  
  END
  ELSE
    -- 删除［本地］作业
    EXECUTE msdb.dbo.sp_delete_job @job_name = N'DB 维护计划“FGPSN备份计划”的 DB 备份作业。'
    SELECT @JobID = NULL
  END

BEGIN

  -- 添加作业
  EXECUTE @ReturnCode = msdb.dbo.sp_add_job @job_id = @JobID OUTPUT , @job_name = N'DB 维护计划“FGPSN备份计划”的 DB 备份作业。', @owner_login_name = N'sa', @description = N'没有可用的描述。', @category_name = N'Database Maintenance', @enabled = 1, @notify_level_email = 0, @notify_level_page = 0, @notify_level_netsend = 0, @notify_level_eventlog = 2, @delete_level= 0
  IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

  -- 添加作业步骤
  EXECUTE @ReturnCode = msdb.dbo.sp_add_jobstep @job_id = @JobID, @step_id = 1, @step_name = N'第 1 步', @command = N'EXECUTE master.dbo.xp_sqlmaint N''-PlanID FFC3A233-504F-4735-BD9A-7E96C9AD551D -WriteHistory  -VrfyBackup -BkUpMedia DISK -BkUpDB  -UseDefDir  -DelBkUps 1MONTHS -BkExt "BAK"''', @database_name = N'master', @server = N'', @database_user_name = N'', @subsystem = N'TSQL', @cmdexec_success_code = 0, @flags = 4, @retry_attempts = 0, @retry_interval = 0, @output_file_name = N'', @on_success_step_id = 0, @on_success_action = 1, @on_fail_step_id = 0, @on_fail_action = 2
  IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
  EXECUTE @ReturnCode = msdb.dbo.sp_update_job @job_id = @JobID, @start_step_id = 1

  IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

  -- 添加作业调度
  EXECUTE @ReturnCode = msdb.dbo.sp_add_jobschedule @job_id = @JobID, @name = N'第 1 调度', @enabled = 1, @freq_type = 4, @active_start_date = 20120222, @active_start_time = 20000, @freq_interval = 1, @freq_subday_type = 1, @freq_subday_interval = 0, @freq_relative_interval = 0, @freq_recurrence_factor = 0, @active_end_date = 99991231, @active_end_time = 235959
  IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

  -- 添加目标服务器
  EXECUTE @ReturnCode = msdb.dbo.sp_add_jobserver @job_id = @JobID, @server_name = N'(local)'
  IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

END
COMMIT TRANSACTION          
GOTO   EndSave              
QuitWithRollback:
  IF (@@TRANCOUNT > 0) ROLLBACK TRANSACTION
EndSave: