$)6$ points: Given the following two tables, StudentCourses & Course, respectively:

StudentID CourseID Grade

$11$ A

$21$ A

$13$ B

CourseID CourseName

$1$ MIST

$2$ QANT

$3$ FINC

$($a$)$ The primary key in StudentCourses table is composite primary key $($StudentID$,$ CourseID$),$ identify the primary key in the Course table $(1$ point$)$:

$($b$)$ Identify the foreign key $(1$ point$)$:

$($c$)$ Create outline notations for each table $(2$ points$)$:

$($d$)$ Create entity$-$relationship diagram $(2$ points$)$: