Updating by deletiondelete from enrolment where studentid , Ask an Expert

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Updating by Deletion

DELETE FROM ENROLMENT WHERE StudentId = SID ('S4');

As you can see, this differs from Example by the addition of the noise word FROM. The expression SID ('S4') assumes the existence of a user-defined operator whose invocation here yields the value of user-defined type SID that represents the student id S4.

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Biology, Academics

Category:- Biology
Reference No.:- M9518387

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