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-1 down vote favorite Here I'm facing problem with course registration. I have 3 tables named as dept(dept_id,dept_name) where dept_id is a primary key 2nd table is semester (semester_id, semester_name,dept_id) semester_id is a primary key and dept_id is a foreign key .3rd table is courses(c_id,dept_id,sem_id,c_name) where c_id is primary key … |