QuerydrillAbove the average salary
An SQL exercise from Querydrill. Solve it with a SQL editor in your browser, checked on the rows it returns and again on changed data, and it is checked the moment you submit.
The task
Return the names of employees who earn more than the average salary of all employees.
What this exercise teaches
A subquery that returns one value can be used anywhere a number can.
A hint if you get stuck
Put a SELECT AVG(salary) in brackets on the right side of the comparison.
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