Students(
STU_PKEY Int Identity(1,1) Constraint PK_Students_StuPKey Primary Key,
STU_NAME nvarchar(64)
)
Courses(
CRS_PKEY Int Identity(1, 1) Constraint PK_Courses_CrsPKey Primary Key,
STU_KEY Int Constraint FK_Students_StuPKey Foreign Key References Students(STU_PKEY),
CRS_NAME nvarchar(64)
)