consider the following six relation schemes and


Consider the following six relation schemes and their corresponding sets of functional dependencies. In each case identify

a. All the candidate keys

b. The highest normal form of the relation (2NF, 3NF, BCNF).

R1 (W, X, Y, Z) XY→Z, YW

R2 (K,L,M,N) KL→N, KM

R3 (P,Q,R,S) P→Q, QR, RS

R4 (T,U,V) T→U, UT, TV

R5 (W,X,Y,Z) Z→W, YZW, WYXZ

R6 (A,B,C,D) AB→D, AC→D

 

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Database Management System: consider the following six relation schemes and
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