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Consider the tables T and S declared as follows:create table T (A int primary key);create table S(B int references T(A) on update cascade on delete set null):Which of the following statements regarding cascade mode are correct? Check all that apply.a.an update of S can result in an update of Tb.a delete from S can result in an update of Tc.an update of T can result in an update of Sd.a delete from T can result in a delete from S

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