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From: Thomas Kellerer <spam_eater@gmx.net>
To: pgsql-sql@postgresql.org
Subject: Re: Large Objects
Date: Fri, 7 Oct 2016 09:24:05 +0200
Message-ID: <nt7iij$sac$1@blaine.gmane.org> (raw)
In-Reply-To: <8d8248b8-8535-787b-5cb7-f081be778b70@purtz.de>
References: <8d8248b8-8535-787b-5cb7-f081be778b70@purtz.de>
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> a) What is the distinction between our data type TEXT and the SQL:2011 data type CLOB which we do not support (T041)?

I'd say there is no difference. 
 
> b) Is there a distinction between the two Postgres data types TEXT and "CHARACTER VARYING without specifying a length" 
> or are they only synonym terms without different functionalities and capabilities?

No there is no difference.

Quote from the manual [1]

> Tip: There is no performance difference among these three types, 
> apart from increased storage space when using the blank-padded type

Thomas


[1] https://www.postgresql.org/docs/current/static/datatype-character.html



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