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When and how should one use the nvl2 or the nvl functions.

matrixrasta asked
Last Modified: 2012-06-21
Hi there

Can some one help or guide me in understanding when and how to use the nvl2 and nvl functions in Oracle database 10g. I do know it's used to control the NULL worth.
My question is when should one use it and how can it be used (Syntax wise)
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