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Assume that there are five records in a table as given below.
If the index values are 1,3,2,5 and 4, find out field utilized to built the index?
Consider the relational
schema R(P1, P2, P3, P4)F={P1, P2 --> P3; P3 --> P1, P4}The above
relation is in which normal form?
6. In the relation R(A,B,C,D,E,F) with functional dependencies {AB->C, C->DE, E->F, D->A, C->B}, AB+ is
7. In a relation R(A,B,C,D,E,F) with the following functional dependencies {A->B, BC->D, E->F}, which of the following is not true?