Sql Server 备份数据库脚本

----open  sp_configure启用‘xp_cmdshell
--sp_configure 'show advanced options',1
--reconfigure
--go
--sp_configure 'xp_cmdshell',1
--reconfigure
--go


--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DECLARE @databaseCount int
DECLARE @databaseName nvarchar(300)
DECLARE @backUupDatabaseName nvarchar(300)


--set path
DECLARE @CreateFilePath nvarchar(200)
DECLARE @FilePath nvarchar(200)


SET @FilePath = 'C:\DBBackUp\' + (SELECT REPLACE(REPLACE(REPLACE(CONVERT(CHAR(19), GETDATE(), 120), '-', ''), ':', ''), ' ', '-')) + '\'
SET @CreateFilePath ='md ' + @FilePath
EXEC master.dbo.xp_cmdshell @CreateFilePath


--insert new create table
IF EXISTS (SELECT 1 FROM  sysobjects WHERE id =object_id('DatabaseTableList') AND type = 'U')  
BEGIN DROP TABLE DatabaseTableList  END 
CREATE TABLE DatabaseTableList
(id int IDENTITY(1,1),Name nvarchar(300))
Insert into DatabaseTableList(Name) 
SELECT Name FROM sys.databases ORDER BY name


SET @databaseCount = (SELECT COUNT(Name) FROM DatabaseTableList)
--for datatable list backup to file
WHILE(@databaseCount >0)
BEGIN
SET @databaseName = (SELECT TOP(1) Name FROM DatabaseTableList where id = @databaseCount)
IF(@databaseName <> 'master' AND @databaseName <> 'model' AND @databaseName <> 'msdb' AND @databaseName <> 'tempdb')
BEGIN
SET @backUupDatabaseName =  @FilePath + @databaseName + '.bak'
BACKUP DATABASE @databaseName 
TO DISK = @backUupDatabaseName
WITH DESCRIPTION = 'Full backup for AdventureWorks'
END
--set while count -1 
SET @databaseCount =@databaseCount-1
END
----------------------------------------------------------------------------------------------------------------------------------------------------------------------


----close sp_configure启用‘xp_cmdshell
--sp_configure 'show advanced options',1
--reconfigure
--go
--sp_configure 'xp_cmdshell',0
--reconfigure
--go