600. Rank employees by salary — window challenge 3

DBMS Published 30 Sept 2026 Updated 30 Sept 2026 0 Views Verified

Write the MySQL 8.0 query using a window function. Handle ties and partitioning deliberately where applicable.

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Answer & Explanation

4 Answers

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Option A

Use CROSS JOIN to create the ranking.

Additional Explanation

This option is incorrect for the stated requirement.

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Option B

Use DELETE instead of a window query.

Additional Explanation

This option is incorrect for the stated requirement.

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Option C

Use GROUP BY only and return an equivalent row-level ranking without a subquery.

Additional Explanation

This option is incorrect for the stated requirement.

Verified Correct Answer

Option D

SELECT id,name,salary,RANK() OVER (ORDER BY salary DESC) AS salary_rank FROM employees;

Additional Explanation

Correct implementation. Prefer parameterized queries in application code, validate affected rows for UPDATE/DELETE, and use transactions for related writes.