1. What value is always returned for the first row in a partition by PERCENT_RANK()?
- 1.0
- 0.0
- NULL
- 0.01
Hint: PERCENT_RANK() calculates relative rank: (rank - 1) / (total_rows - 1). The first row always receives a value of 0.0.
hard
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QUESTION 01 OF 02
PERCENT_RANK and CUME_DIST
Quiz for lesson: PERCENT_RANK and CUME_DIST
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What value is always returned for the first row in a partition by PERCENT_RANK()?
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