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Top Three Departments Query
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Top Three Departments Query

MediumSQL · PostgreSQL

Problem

Write a query to find the top three highest-paying departments using a window function.

Use average employee salary to define highest-paying. Include departments whose rank is among the top three, allowing ties to share a rank.

Output

  1. One row per qualifying department
  2. Columns: department_name, average_salary, and department_rank
  3. Sort by department_rank, then department_name

Schema

departments
ColumnTypeDescription
department_idPKINTUnique department identifier
department_nameVARCHAR(100)Department name
employees
ColumnTypeDescription
employee_idPKINTUnique employee identifier
employee_nameVARCHAR(100)Employee name
department_idINTEmployee department identifier
salaryINTAnnual employee salary
Tablesdepartmentsemployees
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