Wednesday 27 May 2015

Q14,Paper 2,J13.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×D2×...×Dn
(C) D1∪D2∪...∪Dn
(D) D1–D2– ... –Dn.

Answer B.
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