On Sep 17, 2012, at 5:23 PM, "Keith Medcalf" <kmedc...@dessus.com> wrote:

> I don't know if there is a standard for treating empty character strings as 
> if they were not-present values without first applying one of the builtin 
> functions designed to deal with NULL.  However, my opinion is that SQLite is 
> correct and Oracle is wrong.

Perhaps. In fairness, Oracle predates any 'standard' by a good decade or more.

Also, the practical wisdom of treating the empty string as not null is 
debatable. As demonstrated by this very thread.

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