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What is the range of values return by Percent_Rank function?
on 10/24/2015 | Category:
Sql Server Interview questions
| Views: 268 |
Select from following answers:
Between 0 to 1 inclusive
Between -1 to +1 inclusive
Between -1 to 0 inclusive
Between 0 to 10 inclusive
The range of values return by this function is between 0 to 1 inclusive. The return data type is always a positive number.
e.g. We have a set with 100 elements. We need to find the relative rank of the 19th row.
Percent_Rank = (19-1)/(100-1) = 0.1818181818181818
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