π¨βπΌ Employees Whose Manager Left the Company | MySQL SQL Query Explained π
Notes
In this video, we solve the "Employees Whose Manager Left the Company" problem from LeetCode using MySQL. We explain how to find employees earning less than $30,000 whose manager no longer exists in the company using CTEs, NOT IN, and subqueries.
π What Youβll Learn in This Video:
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Using Common Table Expressions (CTEs) in SQL
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Filtering data with NOT IN and subqueries
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Writing optimized SQL queries for real-world scenarios
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Sorting results using ORDER BY
π LeetCode Problem: https://leetcode.com/problems/employees-whose-manager-left-the-company
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