Re:

From: Dennis Bjorklund <db(at)zigo(dot)dhs(dot)org>
To: elein <elein(at)varlena(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re:
Date: 2005-08-10 21:26:58
Message-ID: Pine.LNX.4.44.0508102323310.2995-100000@zigo.dhs.org
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On Wed, 10 Aug 2005, elein wrote:

> implementation of the SQL-3 standard for multi-value NULLs
> for PostgreSQL?

SQL-3, that's what became sql99, isn't it?

Anyway, there is nothing like what you explained in sql 99 nor sql 2003.
The boolean type have a third value called UNKNOWN that is just an alias
of NULL, that's about all the changes as I can recall in the NULL area.

--
/Dennis Björklund

In response to

  • at 2005-08-10 20:18:11 from elein

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