If D1, D2, ... Dn are domains in a relational model, then the relation is a table, which is a subset of
- A. D1 + D2 + ... + Dn
- B. D1 x D2 x ... x Dn
- C. D1 U D2 U ... U Dn
- D. D1 n D2 n ... n Dn
Answer: B. D1 x D2 x ... x Dn
Explanation: A relation is a subset of the Cartesian product of its domains.