Type and execute a query that creates a table named courses with the following attributes: CoursePrefix CourseNumber CourseTitle NCHAR (4) NCHAR (4) NVARCHAR(48) Primary key Primary key Do not allow NULLS Do not allow NULLS Course Hours Integer Type and execute a query that creates CHECK CONSTRAINT on the courses table that enforces the rule that Course Hours must be 1, 2, 3 or 4