a. Write a query to display name, job, hiredate and employee number of each employee. Query: EmpName All Ahmed Al Braa Mohammad Nasser Abdur Rehman Yassen Omar Bilal Sultan Saad Abdullah All Ahmed Al Bras Mohammad Nasser Abdur Rehman job SALESMAN CLERK MANAGER MANAGER ANALYST CLERK CLERK EmpName- Total Salary Yassen Omar Bilal Sultan Saad Abdullah SALESMAN ANALYST ANALYST SALESMAN PRESIDENT Deptno b. Write a query to display all total salary of each employee. Query: 6000 4700 11500 12000 9200 5300 6500 5000 10400 12000 8500 35000 hiredate DeptName 3/26/2000 1/16/2014 2/16/2010 4/16/2003 7/16/2010 7/10/2009 1 ACCOUNTING 2 SALES 3 OPERATIONS 4 RESEARCH 7/6/2012 7/1/2010 11/16/2013 7/1/1999 3/3/2015 7/3/1990 c. Write a query to display all column of department table. Query: empno loc Riyadh Jeddah Madinah Taif 1231 1234 1236 2311 2342 2442 2456 3413 4324 5213 7766