359. Top 3 Highest-Value Orders per Category

Medium Infosys Real-World Scenarios

Query Rules

The query columns and order must match the expected result schema.
NULL values should be handled appropriately where applicable.
The grader compares output values and sorting order to evaluate.

Schema Browser

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locations

3 cols

departments

3 cols

employees

6 cols

orders

6 cols

Reference Solution

Expected SQL

SELECT order_id, product_category, amount FROM (SELECT order_id, product_category, amount, ROW_NUMBER() OVER (PARTITION BY product_category ORDER BY amount DESC) AS rn FROM orders) sub WHERE rn <= 3 ORDER BY product_category, amount DESC;

SQL Editor

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Console Output

Console Terminal

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