Database question

(c) Show the contents of the tables after the instruction update Student set sid-1234 where sid-3842 If "on update cascade" was used on the reference from Enrollment(stuid) to Student(sid). (d) Show the contents of the tables after the instruction update Student set sid-1234 where sid-4563 If" on update set NULL" was used on the reference from Enrollment(stuid) to Student(sid). (c) Show the contents of the tables after the instruction update Student set sid-1234 where sid-3842 If "on update cascade" was used on the reference from Enrollment(stuid) to Student(sid). (d) Show the contents of the tables after the instruction update Student set sid-1234 where sid-4563 If" on update set NULL" was used on the reference from Enrollment(stuid) to Student(sid)