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What is faster to search an alpha numeric primary key or number datatype

504338Dec 18 2010 — edited Dec 19 2010

hi all,
I am looking for the answer to a question. What provides a faster and or efficient search for a primary key in any RDBMS is it alpha numeric or number? and why?I would appreciate you replies please.

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Locked on Jan 16 2011

Added on Dec 18 2010

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