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Posted Sunday, December 8, 2013 12:57 AM
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Hi,

My one of database size around 5GB (data file 4.5 & log 500 MB) once i took the complete full backup the backup size is only 2.5 GB how its possible ? [Recovery model is full]

My understanding is full backup will take complete .mdf and .ldf if so as per files size it should around 5GB but its reduced.

Kindly clarify on this.


Pradeep
Post #1520854
Posted Sunday, December 8, 2013 1:58 AM


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A backup is the size of the data in the file + the amount of log space needed to restore consistently. It is not the sum of the sizes of the files.


Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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Post #1520857
Posted Sunday, December 8, 2013 11:06 PM
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Thanks.

Pradeep
Post #1520910
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