415. Employee Tenure Buckets

Easy HR Analytics Workforce Analytics

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

WITH tenure AS (SELECT emp_id, (JULIANDAY('2025-12-11') - JULIANDAY(hire_date)) / 365.0 AS years_tenure FROM employees) SELECT CASE WHEN years_tenure < 1 THEN '<1 year' WHEN years_tenure < 3 THEN '1-3 years' WHEN years_tenure < 5 THEN '3-5 years' ELSE '5+ years' END AS tenure_bucket, COUNT(*) AS employee_count FROM tenure GROUP BY tenure_bucket ORDER BY employee_count DESC;

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Console Output

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