From: Wei Weng <wweng@kencast.com>
To: josh@agliodbs.com
Cc: pgsql-sql@postgresql.org
Subject: Re: text vs varchar
Date: 18 Jun 2002 19:49:50 -0400
Message-ID: <1024444191.16918.6.camel@Monet> (raw)
In-Reply-To: <200206181559.54654.josh@agliodbs.com>
References: <1024438061.16895.2.camel@Monet>
<200206181559.54654.josh@agliodbs.com>
On Tue, 2002-06-18 at 18:59, Josh Berkus wrote:
> Wei,
>
> > Is there any disadvantage of using TEXT datatype as opposed to a VARCHAR
> > datatype with a maximum length, especially when I do searches on them?
>
> Yes. You can't index TEXT because it's of potentially unlimited length.
>
> --
> -Josh Berkus
>
>
I noticed that it is a characteristics of MS SQL Server, but I did
successfully create unique index based on a TEXT field in Postgresql
7.2, while that failed in MS SQL Server (7).
Or do they behave the same in this aspect?
Thanks
--
Wei Weng
Network Software Engineer
KenCast Inc.
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To: pgsql-sql@postgresql.org
Cc: wweng@kencast.com, josh@agliodbs.com
Subject: Re: text vs varchar
In-Reply-To: <1024444191.16918.6.camel@Monet>
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