Dense rank
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 every employee's name, salary and DENSE_RANK of the salary across the whole company, where 1 is the highest.
What this exercise teaches
RANK skips numbers after a tie; DENSE_RANK does not.
A hint if you get stuck
DENSE_RANK() OVER (ORDER BY salary DESC).
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