set role u3952239_tutor;

--select * from OPS$U3952239.AssignmentSummary;
--select * from OPS$U3952239.Tutorial;
--select * from OPS$U3952239.AssessmentItem;
--select * from OPS$U3952239.Tutor_Student;
--select * from OPS$U3952239.Tutor_Mark;
--select * from OPS$U3952239.MarkSummary;

-- select * from bob.AssignmentSummary;
-- select * from bob.Tutorial;
-- select * from bob.AssessmentItem;
-- select * from bob.Tutor_Student;
-- select * from bob.Tutor_Mark;
-- select * from bob.MarkSummary;

--delete from OPS$U3952239.Tutor_Mark
--where StudentId = 2222222
--and AId = 'a1';

--select * from OPS$U3952239.Tutor_Mark;