Re: The BOOLEAN data type

From: --CELKO-- <71062.1056_at_compuserve.com>
Date: 17 Apr 2003 15:26:02 -0700
Message-ID: <c0d87ec0.0304171426.29003dcb_at_posting.google.com>

>> An empty set is different from NULL. <<

An empty scalar query converts to a NULL in Standard SQL, so you have to watch the usage.

Another problem with BOOLEAN datatypes is that they apply to propositions; A table is a collection of facts, if you believe Chris Date. Opps, we are now working at two different levels an get allthose self-referencing problems. Received on Fri Apr 18 2003 - 00:26:02 CEST

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