Dropping and renaming the components - 7.0

1. Create a new Job and add the following components by typing their names in the design workspace or dropping them from the Palette: two tELTTeradataInput components, two tELTTeradataMap components, and one tELTTeradataOutput component.
2. Rename two tELTTeradataInput components to PreferredSubject and CourseScore respectively, two tELTTeradataMap components to ELTSubqueryMap and ELTMap respectively, and the tELTTeradataOutput component to TotalScoreOfPreferredSubject.