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 SQL Server 2008 Forums
 SQL Server Administration (2008)
 CDC and Change Tracking
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anupamk
Starting Member

India
7 Posts

Posted - 03/28/2013 :  06:00:51  Show Profile  Reply with Quote
Hi,

What are the difference between CDC and Change Tracking?
Which is more efficient and less resource consuming.

Is there is a way to choose between them(environment, data volume.)

Thanks,
Anupam

visakh16
Very Important crosS Applying yaK Herder

India
52317 Posts

Posted - 03/28/2013 :  06:21:10  Show Profile  Reply with Quote
CDC is Change Data Capture. As the name implies it captures the changes happening in a table as well as the data associated to the change. Its also asynchronous operation and uses sql server agent jobs on the background
Change Tracking just tracks net changes in a table and records changes happened but wont have actual data associated to those changes. For getting affected fields latest data you can link to main table by means of some functions but still you wont get entire change data history as in previous case. This is a synchronous operation so you will get results much quickly than CDC. It also doesnt require as much storage requirements as CDC

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http://visakhm.blogspot.com/

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