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What are the desirable properties of a decomposition

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What are the desirable properties of a decomposition

(a) Partition constraint

(b) Dependency preservation

(c) Redundancy

(d) Security

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This interesting question is from Algorithms for Decomposition in section Normalization of Database Management

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Correct option is (b) Dependency preservation

Explanation: Lossless join and dependency preserving are the two goals of the decomposition.

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