A is a relation with cardinality 3 and  degree 5 and B is relation with cardinality 4 and degree 2. When we combine relation A and B by the  cartesian product, what relation does come out?
cardinality 4 and degree 2
cardinality 3 and degree 5
cardinality 7 and degree 10
cardinality 12 and degree 7
A is a relation with cardinality 3 and  degree 5 and B is relation with cardinality 4 and degree 2. When we combine relation A and B by the  cartesian product, what relation does come out?
A. cardinality 4 and degree 2
B. cardinality 3 and degree 5
C. cardinality 7 and degree 10
D. cardinality 12 and degree 7