Question: Letr be a relation with schema (A, B, C, D, E) and s be a relation with schema (D, E, F, G). Relation r has

Letr be a relation with schema (A, B, C, D, E)

Letr be a relation with schema (A, B, C, D, E) and s be a relation with schema (D, E, F, G). Relation r has 11 tuples, and relation s has 7 tuples. How many attributes are in the following expression? rXS O 5 O None of the other options are correct O 7 8

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