Find Employees Earning More Than Their Manager | SQL Self Join Interview Question | Q10 скачать в хорошем качестве

Find Employees Earning More Than Their Manager | SQL Self Join Interview Question | Q10

How do you find employees who earn more than their manager in SQL? This is a very common SQL interview question — and many candidates struggle because they don’t recognize the self-referencing relationship in the table. In this video, we break it down step-by-step and explain: • How manager_id references employee_id in the same table • Why this is a self join problem • How to treat the same table as two roles (employee & manager) • How to compare salaries correctly • Why INNER JOIN works perfectly here • How to extend the query to show both employee and manager details • Why indexing improves performance in joins This question is not just about writing a JOIN. It’s about understanding hierarchical relationships in SQL tables. Once you understand this pattern, many interview questions become easier. 🔗 Connect with TheCodingCo: Instagram:   / thecoding.co   X (Twitter): https://x.com/thecoding_co LinkedIn:   / the-codingco   Telegram: https://t.me/thecodingco #SQL #SQLInterviewQuestions #SQLSelfJoin #SQLJoin #DatabaseInterview #LearnSQL #CodingInterview #TheCodingCo