Re: Disadvantages to using "text"

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От Greg Cocks
Тема Re: Disadvantages to using "text"
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Msg-id 66F6CF82BF58CE4DB4285BE816B297E857F4D3@tribble.SMStoller.com
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Ответ на Re: Disadvantages to using "text"  (Frank Bax <fbax@sympatico.ca>)
Ответы Re: Disadvantages to using "text"
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One disadvantage is that if you are using MS Access as a front-end via
ODBC / linked tables, you can not do joins on fields set as text (in
queries, etc)


-----Original Message-----
From: Frank Bax [mailto:fbax@sympatico.ca]
Sent: Wednesday, May 07, 2008 10:55 AM
To: PostgreSQL List - Novice
Subject: Re: [NOVICE] Disadvantages to using "text"

Aurynn Shaw wrote:
> Internally, Postgres treats a VARCHAR(n) as a TEXT with a CHECK
> constraint applied to it, so VARCHAR is going to be slightly slower to
use.


Don't you mean VARCHAR(n) will be slightly slower on UPDATES.

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