Thanks! Never too old to learn



From: firebird-support@yahoogroups.com [mailto:firebird-support@yahoogroups.com]
Sent: 31 October 2014 09:13 AM
To: firebird-support@yahoogroups.com
Subject: [firebird-support] Re: Equality on NULL column values





31.10.2014 09:03, 'Louis van Alphen' wrote:

> and coalesce(R.FINISH,-1) = coalesce(STOCK.FINISH,-1)

and R.FINISH is not distinct from STOCK.FINISH

Dmitry





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