(Solved): Consider the following EER diagram: with the following sample data: students regictrations 2. Crea ...

Consider the following EER diagram: with the following sample data: students regictrations 2. Create a trigger for the INSERT operation on the registrations table to check that the end date of the course is after the start date. If not, an error will be raised. Choose the appropriate activation time for the trigger and explain how it works (15p)