COURSE $($CourseID$,$ CourseTitle, CreditHour, SectionID, StartDate, EndDate, Semester, RoomNo$).$ A course can have multiple sections and each section has a unique identifier. The start date, end date, semester, and year of a course can vary by section. Section numbers are not unique in a database. In other words, two courses can have the same section numbers. Two courses can have the same $($similar$)$ title. Multiple courses are offered in a given semester$/$year with the same start and end dates.