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Compressing Backups

On 18 Sep, 2015
MS SQL DBA
By : Charith Silva
No Comments
Views : 1016

SQL backup files can quickly become very large and it might take a lot of space, which can cost quite a lot of money, so SQL Server enables you to compress them. You can set the default backup compression behaviour and also override this setting for individual backups. But there are few restrictions apply to compressed backups. Compressed and uncompressed backups cannot co-exist in a media set. Backup compression is not available in all editions of SQL Server. Compressed backups only available in Enterprise, Business Intelligence, and Standard Editions of SQL Server. By default, compression significantly increases CPU usage, and the additional CPU consumed by the compression process might adversely impact concurrent operations.

 

Creating compressed backup by T-SQL

 

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BACKUP DATABASE Sales_DB
 
TO DISK = 'F:\Backups\Sales_DB.bak'
 
WITH COMPRESSION;

 

 

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About The Author

Charith Silva

Charith Silva is a Microsoft certified SQL Server developer and database administrator who was graduated at Buckinghamshire New university in the UK. His career was started in 1998, primarily into Web application development, and later diversified into database development. He has got a vast experience in SQL Server database development, Database administration and Business Intelligence development. He believes that sharing the knowledge is key to the success.


Number of Posts : 87
All Posts by : Charith Silva

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