Question: Using SQL: Write a query to display the department name, location name, number of employees, and the average salary for all employees in that department.

Using SQL: 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. The EMP table has the following columns: EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO

and the DEPT table has the following columns: DEPTNO, DNAME, LOC

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