Question: Database systems 3. (20 POINTS) Assume following two relations belong to a campus database: student(sid, fname, Iname, major, totalCredit) enrolled(sid, cid, sectionID, semester, year, grade)

Database systems

3. (20 POINTS) Assume following two relations belong to a campus database: student(sid, fname, Iname, major, totalCredit) enrolled(sid, cid, sectionID, semester, year, grade) What is the corresponding English statement for the following relational algebra expressions? 3.A.) (10 POINTS) ?year2 2016 (enrolled ba student) 3.B.) (10 POINTS )T sid, cid, fname, lname (student M enrolled)

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