Using Datalog, write the query that ?nds all students who took some course from Professor Joe Public.

What will be an ideal response?



Answer(?SN) :- Student(?Id,?SN,?Addr,?Status),

                        Transcript(?Id,?Crs,?Semester,?Grade),

                        Teaching(?PId,?Crs,?Semester),

                        Professor(?PId,’Joe Public’,?Dept).

Computer Science & Information Technology

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