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SQL Experience
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SQL Experience

MediumSQL · PostgreSQL

Problem

Do you have SQL experience?

Using the supplied tables, write a query that summarizes approved employee hours during the first quarter of 2025. Include departments even when they have no active employees or qualifying time entries.

Output

  1. One row per department with department_name, approved_employee_count, total_approved_hours, and workload_status.
  2. Include all departments, order by total_approved_hours 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_idINTAssigned department identifier
is_activeBOOLEANWhether the employee is active
timesheets
ColumnTypeDescription
timesheet_idPKINTUnique time entry identifier
employee_idINTEmployee associated with the entry
work_dateDATEDate worked
hoursDECIMAL(6,2)Hours recorded
statusVARCHAR(20)Approval status of the entry
Tablesdepartmentsemployeestimesheets
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CodePostgreSQL
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