When would you use PERCENT_RANK or CUME_DIST instead of DENSE_RANK for analytics?

Problem Statement

Explanation

Use PERCENT_RANK or CUME_DIST when you need a normalized score between zero and one to compare positions across groups with different sizes. These functions express relative standing, which is ideal for dashboards and thresholds like top five percent. DENSE_RANK gives integer ranks and is best when you need discrete positions or to filter top N by rank.

Code Solution

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PERCENT_RANK() OVER (PARTITION BY category ORDER BY score) AS pr
-- 0 for first, 1 for last

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Window Functions & Analytics

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When would you use PERCENT_RANK or CUME_DIST instead of DENSE_RANK for analytics?

Problem Statement

Explanation

Code Solution

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When would you use PERCENT_RANK or CUME_DIST instead of DENSE_RANK for analytics?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which SQL statement retrieves all columns and rows from a table named employees?

Which clause filters rows before aggregation and affects which rows are grouped?

What is the default sort order when ORDER BY is used without ASC or DESC?

Which construct is commonly used to paginate results in SQL engines like Postgres and MySQL?

Which predicate correctly checks for missing values in standard SQL?

More from SQL & Databases

Master Interviews
Anywhere, Anytime