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SQL GROUP BY and HAVING
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SQL GROUP BY and HAVING

EasySQL · PostgreSQL

Problem

Write a SQL query using GROUP BY and HAVING to find departments where the average employee salary is greater than a specific threshold.

Use the departments and employees tables. For this exercise, the threshold is 75000.

Output

  1. One row per qualifying department.
  2. Return department_name and average_salary, rounded to two decimal places.
  3. Sort by average_salary descending, then department_name ascending.

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 reference
salaryNUMERIC(12,2)Annual employee salary
Tablesdepartmentsemployees
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