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Primary Key and Database Size

Posted on 2002-05-28
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Last Modified: 2006-11-17
Why does inclusion of a PK in each table of a database help to reduce the overall size of the database?

I had a trial database with lots of tables, one I put in PKs for every table, the size of the database shrank

Sanjay
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Question by:kalrani
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Guy Hengel [angelIII / a3] earned 150 total points
ID: 7041088
If there is NO primary key, SQL Server will take internally the entire record columns to identify the rows, which does take of course much more space that a single column...

CHeers
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