409. Employee Sales Contribution

Medium HR Analytics Performance Analysis

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 e.name, SUM(o.amount) AS emp_sales, SUM(o.amount) * 100.0 / (SELECT SUM(amount) FROM orders) AS pct_contribution FROM employees e JOIN orders o ON e.emp_id = o.emp_id GROUP BY e.name ORDER BY emp_sales DESC;

SQL Editor

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Console Output

Console Terminal

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