Multiple choices 41/50
(Choose 1 answer)
Why the intersection operator is not called a primitive relational algebra operator?
A. Because the intersection operator can be expressed through the union operator and the difference operator
B. Because the intersection operator can be expressed through the selection operator and the projection operator
C. Because the intersection operator can be expressed through the product operator and the projection operator
D. Because the intersection operator can be expressed through the selection operator and the product operator
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