Lutz Steinborn wrote:
Hello Paul,
thanks for the quick answer.
NULL values?
Jepp, thats it.
I've supposed this but can't believe it. So NULL is something out of this
dimension :-)
Kindly regards
Lutz
NULL refers to an unknown value - it cannot be said to equal or not
equal anything other than NULL
It is a concept that catches those new to databases (and sometimes not
so new).
--
Shane Ambler
pgSQL (at) Sheeky (dot) Biz
Get Sheeky @ http://Sheeky.Biz
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