Question: Assume: Professor ( pid: int primary key, pname:varchar ( 2 0 ) , dob:date ) Teaches ( cid:int primary key, pid:int, foreign key ( pid

Assume: Professor(pid: int primary key, pname:varchar(20), dob:date) Teaches (cid:int primary key, pid:int, foreign key (pid) references Professor on update cascade). show the table contents after the follwoing operations. Explain.

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