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SELECT DepartmentID, COUNT(EmployeeID) AS EmployeeCount FROM EmployeeDepartment GROUP BY DepartmentID; SELECT d.DepartmentName, COUNT(ed.EmployeeID) AS EmployeeCount FROM Department d JOIN EmployeeDepartment ed ON d.DepartmentID = ed.DepartmentID GROUP BY d.DepartmentName; SELECT dept_id, COUNT(emp_id) AS employee_count FROM Employee_Department GROUP BY dept_id;

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