Employees Earning More Than Their Managers Salary | SQL Interview Question Explained
In this video, we solve a common SQL interview question: "Find Employees Earning More Than Their Managers Salary ." Learn how to write efficient SQL queries to handle hierarchical data and compare salaries between employees and their managers. This is an essential topic for SQL and Data Analyst interviews!
Create table Employee (id int, name varchar(255), salary int, managerId int);
insert into Employee (id, name, salary, managerId) values ('1', 'Joe', '70000', '3');
insert into Employee (id, name, salary, managerId) values ('2', 'Henry', '80000', '4');
insert into Employee (id, name, salary, managerId) values ('3', 'Sam', '60000', NULL);
insert into Employee (id, name, salary, managerId) values ('4', 'Max', '90000', NULL);
What you will learn:
SQL query to find employees earning more than their managers
INNER JOIN, SELF JOIN, and subqueries for hierarchical data
SQL interview tips and tricks for success
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