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Question 25 (2 points) A tuple t1 of a relation state r1(R1) and a tuple t2 of another relation state r2(R2), has the following relationship:

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Question 25 (2 points) A tuple t1 of a relation state r1(R1) and a tuple t2 of another relation state r2(R2), has the following relationship: t1[FK] = t2[PK], where FK designates Foreign Key and PK designates Primary Key. What type of integrity constraint does this relationship represent? 0 Entity integrity 0 Referential integrity 0 Transition integrity 0 State integrity

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