Re: RFC: A brief guide to nulls - Mailing list pgsql-sql

From Peter Eisentraut
Subject Re: RFC: A brief guide to nulls
Date
Msg-id Pine.LNX.4.44.0301152037180.789-100000@localhost.localdomain
Whole thread Raw
In response to RFC: A brief guide to nulls  (dev@archonet.com)
Responses Re: RFC: A brief guide to nulls  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-sql
dev@archonet.com writes:

> A null is *not* a value.
> A null is *not* a "special" value.
> A null is the absence of a value.

A quotation directly from the SQL standard:
   Every data type includes a special value, called the null value,

This seems to directly contradict those three statements.

-- 
Peter Eisentraut   peter_e@gmx.net



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