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Compress backup file using T-SQL
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Problem
Is it possible to compress a backup file to .zip (or another) in a stored procedure invoked from a maintenance plan?
My maintenance plan contains these steps:
-
check DB (consistency, re_index, maybe not important)
-
full backup
-
to check backup file by using restore_verifyonly
-
shrink database
After restore_verifyonly/shrink database I want to compress this file.
My maintenance plan contains these steps:
-
check DB (consistency, re_index, maybe not important)
-
full backup
-
to check backup file by using restore_verifyonly
-
shrink database
After restore_verifyonly/shrink database I want to compress this file.
Solution
Backup compression was introduced in SQL 2008 Enterprise, and in SQL2008R2 and later, added to Standard Edition.
When creating a backup, you can specify the
For SQL2005 or older, the best way really (other than using a specific tool like RedGate) is to ensure that
I use a cmd file that looks something like this:
You can then execute this cmd file from your 2000 / 2005 instances. You can also play around with passing
When creating a backup, you can specify the
WITH COMPRESSION keyword, which will ensure that the database backup size is compressed to approximately a similar size as a zipped 'normal' backup file. For SQL2005 or older, the best way really (other than using a specific tool like RedGate) is to ensure that
xp_cmdshell is enabled on the instances, and then use a command line to compact using for e.g. WinRar. I use a cmd file that looks something like this:
@echo off
Set "winrarPath=C:\Program Files\WinRAR"
"%winrarPath%\winrar.exe" a -r "ZippedBackup.zip" "BackupFile.BAK"You can then execute this cmd file from your 2000 / 2005 instances. You can also play around with passing
%1-type variables to the cmd file, if your filenames are not generic.Code Snippets
@echo off
Set "winrarPath=C:\Program Files\WinRAR"
"%winrarPath%\winrar.exe" a -r "ZippedBackup.zip" "BackupFile.BAK"Context
StackExchange Database Administrators Q#40442, answer score: 6
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