???? The Number of Employees Reporting to Each Employee | SQL Query with GROUP BY & JOIN | LC SQL #30

Description:
???? In this video, we tackle "The Number of Employees Which Report to Each Employee" from LeetCode, a great SQL problem to enhance your skills in self-joins, GROUP BY, and aggregation functions.

???? What You’ll Learn:
✅ How to use self-joins to analyze hierarchical relationships
✅ Applying COUNT & AVG for summarizing employee data
✅ Using GROUP BY for effective data aggregation


???? Problem Link: https://leetcode.com/problems/the-number-of-employees-which-report-to-each-employee

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