Re: Data Types

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От Mike Gould
Тема Re: Data Types
Дата
Msg-id 20080623193731.d651135d@mail.allcoast.net
обсуждение исходный текст
Ответ на Data Types  ("Mike Gould" <mgould@allcoast.net>)
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Thanks for all of the replies.

Best Regards,

Michael Gould, Manager Information Technology
All Coast Intermodal Services, Inc.
904-226-0978

From: Tom Lane [mailto:tgl@sss.pgh.pa.us]
To: Roberts, Jon [mailto:Jon.Roberts@asurion.com]
Cc: mgould@allcoast.net, pgsql-general General [mailto:pgsql-general@postgresql.org]
Sent: Mon, 23 Jun 2008 15:00:05 -0400
Subject: Re: [GENERAL] Data Types

"Roberts, Jon" <Jon.Roberts@asurion.com> writes:
> Character will use more disk space than varchar so it does make a
> difference.

char also has very peculiar comparison semantics. Unless your strings
are really truly fixed-length, you should just about always use varchar.

regards, tom lane

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