sql数据库备份语句实例

发布时间:2020-08-31编辑:脚本学堂
分享一段sql数据库备份的语句,用于备份sql server数据库中所有数据库,感兴趣的朋友参考下。

例子,sql数据库备份语句。
 

复制代码 代码示例:

-- 
-- this stored proc will loop through the databases tha exist on the server and 
-- back them up to a file, under a directory specified by @Backup_path 
--

if exists (select * from sysobjects where id = object_id(N'[dbo].[f_BACKUP_ALL_DBs]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) 
drop procedure [dbo].[f_BACKUP_ALL_DBs] 
GO

SET QUOTED_IDENTIFIER OFF SET ANSI_NULLS ON 
GO

CREATE PROCEDURE f_BACKUP_ALL_DBs 
AS

declare d cursor for select name from sysdatabases where name<>'tempdb' order by crdate, name

DECLARE @Backup_path varchar(255) 
DECLARE @sqlBackup varchar(500) 
DECLARE @db varchar(255) 
DECLARE @next_db varchar(255) 
SELECT @Backup_path = 'e:/MSSQL7/BACKUP/'

open d 
fetch next from d into @db

--BACKUP DB 
SELECT @sqlBackup = 'BACKUP DATABASE [' + @db + '] TO DISK = N' + CHAR(39) + @Backup_path + @db + CHAR(39) + ' WITH INIT , NOUNLOAD , NAME = N' + CHAR(39) + @db + ' backup' + CHAR(39) +', NOSKIP , STATS = 10, NOFORMAT' 
--SELECT @sqlBackup 
EXEC (@sqlBackup)

fetch next from d into @db 
while (@@FETCH_STATUS<>-1) begin 
fetch next from d into @next_db 
if (@@FETCH_STATUS=-1) break

--BACKUP DB 
SELECT @sqlBackup = 'BACKUP DATABASE [' + @db + '] TO DISK = N' + CHAR(39) + @Backup_path + @db + CHAR(39) + ' WITH INIT , NOUNLOAD , NAME = N' + CHAR(39) + @db + ' backup' + CHAR(39) +', NOSKIP , STATS = 10, NOFORMAT' 
-- SELECT @sqlBackup 
EXEC (@sqlBackup)

select @db=@next_db 
end 
--BACKUP DB 
SELECT @sqlBackup = 'BACKUP DATABASE [' + @db + '] TO DISK = N' + CHAR(39) + @Backup_path + @db + CHAR(39) + ' WITH INIT , NOUNLOAD , NAME = N' + CHAR(39) + @db + ' backup' + CHAR(39) +', NOSKIP , STATS = 10, NOFORMAT' 
--SELECT @sqlBackup 
EXEC (@sqlBackup) 
deallocate d

GO 
SET QUOTED_IDENTIFIER OFF SET ANSI_NULLS ON 
GO

-- 
-- Server: (LOCAL) 
-- This script will create a Job that backs up the entire SQL server 
--

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

-- Delete the job with the same name (if it exists) 
SELECT @JobID = job_id 
FROM msdb.dbo.sysjobs 
WHERE (name = N'JOB-- Backup Server Nightly') 
IF (@JobID IS NOT NULL) 
BEGIN 
-- Check if the job is a multi-server job 
IF (EXISTS (SELECT * 
FROM msdb.dbo.sysjobservers 
WHERE (job_id = @JobID) AND (server_id <> 0))) 
BEGIN 
-- There is, so abort the script 
RAISERROR (N'Unable to import job ''JOB-- Backup Server Nightly'' since there is already a multi-server job with this name.', 16, 1) 
GOTO QuitWithRollback 
END 
ELSE 
-- Delete the [local] job 
EXECUTE msdb.dbo.sp_delete_job @job_name = N'JOB-- Backup Server Nightly' 
SELECT @JobID = NULL 
END

BEGIN

-- Add the job 
EXECUTE @ReturnCode = msdb.dbo.sp_add_job @job_id = @JobID OUTPUT , @job_name = N'JOB-- Backup Server Nightly', @owner_login_name = N'sa', @description = N'No description available.', @category_name = N'[Uncategorized (Local)]', @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

-- Add the job steps 
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobstep @job_id = @JobID, @step_id = 1, @step_name = N'Backup DBs', @command = N'EXECUTE f_BACKUP_ALL_DBs', @database_name = N'master', @server = N'', @database_user_name = N'', @subsystem = N'TSQL', @cmdexec_success_code = 0, @flags = 0, @retry_attempts = 0, @retry_interval = 1, @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

-- Add the job schedules 
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobschedule @job_id = @JobID, @name = N'Daily Backup', @enabled = 1, @freq_type = 4, @active_start_date = 20010125, @active_start_time = 233000, @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

-- Add the Target Servers 
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 
End Save:
GO