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What is the value for SIGN(NVL(-16,0))?
on 11/14/2016 | Category:
Oracle Interview questions
| Views: 382 |
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Here Let see how we calculate these values.
Consider we have the following : SIGN(ABS(NVL(-75,0)))
Just like mathematics we should take it from the inner brackets.
So first step will be,
NVL(-75,0) = -75
Now, next bracket
ABS(-75) = 75 //ABS always take positive
Finally SIGN(75) = 1
If SIGN(>1) = 1, SIGN(<1) = -1, SIGN(0) = 0.
So in our question we didn't use the ABS function, So it remains Negative and SIGN Function of Negative will be -1.
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