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Re: char() or varchar() for frequently used column

From: "Josh Berkus" <josh(at)agliodbs(dot)com>
To: jules(dot)alberts(at)arbodienst-limburg(dot)nl, pgsql-novice(at)postgresql(dot)org
Subject: Re: char() or varchar() for frequently used column
Date: 2002-10-17 16:16:50
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Lists: pgsql-novice

> Are there any flaws in this approach? Will I get in trouble when
> using 
> indexes. Will performance be hampered severely? (we're not talking 
> about huge amounts of transactions)

On postgresql, there is no performance difference between CHAR and
VARCHAR.   And a VARCHAR(25) which only has 1 character in each row is
no slower than a VARCHAR(2) that has only one character.

-Josh Berkus

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