LEFT JOIN emp_work_on_dept ed ON e.ID = ed.Emp_ID LEFT JOIN Department d ON ed.dept_id = d.Dep_ID --Q2. Show each employee with the projects they are working on and the name of each project.

I realized how much easier my life would be if SQL had a mode() aggregate function. (I'm using it in the mathematical sense). I'm guessing that either I use SQL in a wierd way or there is a good ...

Abstract: It is very important to process efficiently expensive queries including joins and/or aggregate functions in a data warehousing environment since there resides an enormous volume of data and ...