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Short-Circuit Evaluation in PL/SQL - This article describes how short-circuit evaluation can be used to improve the performance of some boolean expressions.



Cesc said...

ON THE EXPLANATION THERE ARE MISSING THE ASSERTIONS:

TRUE OR NULL = TRUE (Short-Circuit Evaluation of OR)

FALSE AND NULL = FALSE (Short-Circuit Evaluation of AND)

Tim... said...

Hi.

Quite correct. I've added in the NULL related assertions.

I don't think it is necessary to alter the examples as they kind-of prove the point. :)

Cheers

Tim...

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