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 Article: The Cost of GUIDs as Primary Keys
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AskSQLTeam
Ask SQLTeam Question

USA
0 Posts

Posted - 01/10/2005 :  11:17:50  Show Profile  Visit AskSQLTeam's Homepage  Reply with Quote
Kristen submitted "In this article, Jimmy Nilsson presents the pros and cons of using globally unique identifiers (GUIDs) as the datatype for primary keys in SQL Server 2000. In doing so, he shows you test results that hint of performance characteristics and introduces you to a special type of GUID that he invented, called COMBs, that solves what otherwise might give you a big throughput problem.

He also point out that GUIDs are not guaranteed to be 'Globally Unique'"

Article Link.

ehorn
Flowing Fount of Yak Knowledge

USA
1631 Posts

Posted - 01/10/2005 :  11:37:22  Show Profile  Reply with Quote
There was a debate about this topic (w/ ref to this article) over here:

http://www.asp.net/Forums/ShowPost.aspx?tabindex=1&PostID=780340
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X002548
Not Just a Number

15586 Posts

Posted - 03/07/2005 :  14:29:04  Show Profile  Reply with Quote
Good Lord....using "Object Oriented" as a reason to use surrogates....



Brett

8-)
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