Write a query to display the department name, location name, number of employees, and the average salary for all employees in that department.Label the columns dname, loc, Number of People, and Salary, respectively.Round the average salary to two decimal places. Match on deptno between the EMP and DEPT tables.
SELECT department_name as dname, location_name as loc, sum(employees) as number_of_employees, average(salary) as salary FROM Emp, Dept WHERE Emp.deptno=Dept.deptno GROUP BY department_name;
Select d.dname as Department_Name, d.loc as Location_Name, (select count(e.employee_id) from EMP e JOIN DEPT d ON e.deptno=d.deptno where e.deptno=d.deptno) as Number_of_People, (select round(avg(e.salary),2) from EMP e JOIN DEPT d ON e.deptno=d.deptno where e.deptno=d.deptno) as Average_Salary from EMP e, DEPT d where e.deptno=d.deptno group by d.dname
Select a.employeename ||' earns '||a.salary||' monthly but wants '||a.salary*3 as DreamSalaries from employeeTable a
Select a.LastName, a.hireDate, to_char(a.hiredate,'DAY') from employeeTable a order by to_char(a.hiredate,'D')
Select a.departmentname as dname, a.locationname as loc, count(*) as numberofpeople, round(avg(b.salary),2) Salary from dept a, emp b where a.deptno=b.deptno group by a.departmentname
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