How to get last date only once all have been filled in

Giganews Newsgroups
Subject: How to get last date only once all have been filled in
Posted by:  Trevor Best (googlegrou…@besty.org.uk)
Date: 8 Aug 2006

I want to be able to return the last date, e.g.

(select Max(DateColumn) From Table)

However if any of the DateColumn fields are null I want to return a
null, is there a simple way to do this?

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