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Filter Rows Where Employee Salary > Manager Salary

SQLmedium0.3 min readPremium
Frequency
Low
Asked at 1 company
Category
487
questions in SQL
Difficulty Split
130E|271M|86H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
LTIMindtree
Key Concepts Tested
join
Expert AnswerPremium
59 wordsInterview-ready
Self-join pairs employee with manager: SELECT e.employee_id, e.name, e.salary, m.salary AS manager_salary FROM employees e JOIN employees m ON e.manager_id = m.employee_id WHERE e.salary > m.salary. **Why self-join**: Hierarchical data in one table. **Edge case**: CEO has manager_id NULL—excluded by INNER JOIN. Use LEFT JOIN + WHERE manager_id IS NOT NULL if CEO shouldn't appear....
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