You have to create a table, STUDENTS, with the columns: STUDENT_ID, STUDENT_NAME,
DATE_OF_BIRTH, and COURSE_ID.
—-The following constraints have to be enforced on this table:
Each student must be uniquely identifiable by the STUDENT_ID.
The STUDENT_ID columns should not be left blank.
The student should not be less than 15 years of age.
The student can only take a course that is specified in the COURSE table in the database.
Which three constraints must be explicitly enforced on the table? (Choose three)
A.
check constraint on the COURSE_ID column
B.
foreign key constraint on the COURSE_ID column
C.
check constraint on the DATE_OF_BIRTH column
D.
unique key constraint on the STUDENT_ID column
E.
not null constraint on the DATE_OF_BIRTH column
F.
primary key constraint on the STUDENT_ID columns
Explanation: