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5 points You are a new database designer and administrator for UAH. You notice the figure below and immediately recognize what? * STUDENT PK STU_NUM STU_LNAME is written in ENROLL PK,FK1 CLASS CODE PK,FK2 STU_NUM bo is found in # ENROLL_GRADE CLASS PK CLASS CODE CLASS SECTION CRS_CODE CLASS_TIME ROOM_CODE PROF_NUM Student and Class were originally many-to-many relationships Student and Class were originally one-to-one relationships Student and Class are currently many-to-many relationships Student and Class are currently one-to-one relationships None of the above