On Thu, 1 Jul 2004, Roberto [iso-8859-1] Joćo Lopes Garcia wrote:
> When I use string concatenator || and there are fields of type date whith NULL values
> the result is an enpty string. Please see example:
The result is NULL. This is the correct result.
"If either S1 or S2 is the null value, then the result of the
<concatenation> is the null value."
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