Question
Which normal form ensures no partial dependency of
non-prime attributes on a candidate key?Solution
2NF removes partial dependencies of non-prime attributes on part of a composite primary key.
Statements: V > U = T ≤ S; T > Z > L; L = N ≥ O
Conclusions:
I. V > L
II. O < S
III. T > V
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
How far is Atul from Nisha?
Statements: H = U < S ≤ V > F = E > J ≥ I
Conclusion
I: H < F
II: V > I
Statements: D < E = F; G < D ≤ H; K < F ≤ A
Conclusions:
I. G < A
II. H > K
III. E > H
...Statements: P ≥ Q, R > S, R ≥ Q, T = P < U
Conclusion:
I. R > P
II. U > Q
Many pathogens that cause foodborne illnesses are unknown. Food contamination can occur at any stage from farm to plate. Since most cases of food poison...
Statements:  B & T, K ⋆ B, S ⋆ K
Conclusions:     a) K ⋆ T                b) S # T
...Statements: P = T > U ≤ E = W < X , R < O < E ≥ Y > Q = F
Conclusions: I. X > Q II. P < R
Statements: S ≥ R > P < Y; R > T ≥ Z; U < T ≥ V
Conclusions:
I. S > V
II. Z ≤ Y
III. Y < Z
