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 CDC and Change Tracking
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Posted - 03/28/2013 :  06:00:51  Show Profile  Reply with Quote

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.)


Very Important crosS Applying yaK Herder

52326 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

SQL Server MVP

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