备份

USE [MES]
GO
/****** Object:  StoredProcedure [dbo].[p_backupdb]    Script Date: 11/24/2008 13:24:53 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

ALTER proc [dbo].[p_backupdb]
@dbname sysname='', --要备份的数据库名称,不指定则备份当前数据库
@bkpath nvarchar(260)='', --备份文件的存放目录,不指定则使用SQL默认的备份目录
@bkfname nvarchar(260)='', --备份文件名,文件名中可以用/DBNAME/代表数据库名,/DATE/代表日期,/TIME/代表时间
@bktype nvarchar(10)='DB', --备份类型:'DB'备份数据库,'DF' 差异备份,'LOG' 日志备份
@appendfile bit=1 --追加/覆盖备份文件
as
declare @sql varchar(8000)
if isnull(@dbname,'')='' set @dbname=db_name()
if isnull(@bkpath,'')='' set @bkpath=dbo.f_getdbpath(null)
if isnull(@bkfname,'')='' set @bkfname='/DBNAME/_/DATE/_/TIME/.BAK'
set @bkfname=replace(replace(replace(@bkfname,'/DBNAME/',@dbname)
,'/DATE/',convert(varchar,getdate(),112))
,'/TIME/',replace(convert(varchar,getdate(),108),':',''))
set @sql='backup '+case @bktype when 'LOG' then 'log ' else 'database ' end +@dbname
+' to disk='''+@bkpath+@bkfname
+''' with '+case @bktype when 'DF' then 'DIFFERENTIAL,' else '' end
+case @appendfile when 1 then 'NOINIT' else 'INIT' end
print @sql
exec(@sql)