SQL数据库压缩 7z

DECLARE @myBakName VARCHAR(4000) DECLARE @myBak VARCHAR(4000) DECLARE @mydbname VARCHAR(4000) DECLARE @mydbPath VARCHAR(4000) DECLARE @myFullPath VARCHAR(4000) DECLARE @myCompressorPath VARCHAR(4000) DECLARE @myCompressorFile VARCHAR(4000) SET @mydbname = 'TjCar_20081216' SET @mydbPath = 'D:\Projects.Databases\BACKUP\' SET @myCompressorPath = 'C:\Progra~1\7-Zip\' SET @myBakName = @mydbPath + @mydbname + '_' + CONVERT(CHAR(8),Getdate(),112) + '_' + REPLACE(CONVERT(CHAR(8),Getdate(),108),':','') SET @myCompressorFile = @myBakName + '.7z' SET @myBak = @myBakName + '.bak' BACKUP database @mydbname to disk=@myBak with init SET @myFullPath = @myCompressorPath + '7z.exe a ' + @myCompressorFile + ' ' + @myBak exec master..xp_cmdshell @myFullPath