2.1 Design the following two tables (in addition to that in Figure 2.1) that might be used in the Student Registration System. Note that the same student Id might appear in many rows of each of these tables. a. A table implementing the relation COURSESREGISTEREDFOR, relating a student's Id and the identifying numbers of the courses for which she is registered b. A table implementing the relation COURSESTAKEN, relating a student's Id, the identifying numbers of the courses he has taken, and the grade received in each course Name Status Id 111111111 666666666 111223344 John Doe Joseph Public Mary Smith Bart Simpson Homer Simpson Joe Blow Address 123 Main St. 666 Hollow Rd. 1 Lake St. Fox 5 TV Fox 5 TV 6 Yard Ct. Freshman Sophomore Freshman Senior Senior Junior 987654321 023456789 123454321 FIGURE 2.1 The table STUDENT. Each row describes a single student