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Column Type and Performance
Posted by: Craig Matthews
Date: March 30, 2005 02:00AM

Hi,

How does column type affect performance of SELECTs and INSERTs?

1. If an indexed column is CHAR(1) or tinyint? Is one faster than the other?

2. If an indexed column is mediumint versus varchar(20)?

I would imagine that indexing shouldnt make that much of a difference based on column type?

Thanks.

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