Assume you needed to create a JPA for Grades table in prior question with a class called Grade. Show the class definition only for the Grade to be properly mapped to the table.

Assuming there is a table called Grades as outlined below, write a SQL that inserts your student id, course id eg SE352 or SE452 and grade containing letter grade (A, A-,B+...) in HSQL database Table name: Grades Column name Type Varchar(10) Varchar(5) archar(2) Student id Course id Grade