A college wants you to help design a star schema to record grades for courses completed by students. There are four dimension tables, with attrioutes as folows Course. Attributes: Course_ID, Course_Name, Room_ID, and Room Capacity. Professor. Attributes: Prof_ID, Prof_Name, Title, Department ID, Department_Name. Student. Attributes: Student_ID, Student Name Major. Period. Attributes: Period ID, Semester, Year. 1. Design a star schema for this problem (. 2 Normalize the star schema that you developed into 3NF (

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