5-36. Use SQL to define the following view: STUDENTID STUDENTNAME 5-37. To enforce referential in- tegrity, before any row can be entered into the SECTION table, the CourseD to be entered must already exist in the COURSE ta-ble. Write an SQL assertion that will enforce this constraint. 5-38. Write SQL data definition commands for each of the following queries: a. How would you add an attribute, Class, to the STUDENT table? b. How would you remove the REGISTRATION table? c. What would you need to take into account if you wanted to remove the COURSE table? d. How would you change the FacultyName column from 25 characters to 40 characters