Computer Science · Database Normalization
Consider the relation scheme R = (A, B, C, D, E) with two tuples: (a1, b1, c1, d1, e1) (a2, b2, c2, d2, e2) If relation R is decomposed into R1 = (A, B, C) and R2 = (C, D, E), which statement about this decomposition is true for this instance?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Cannot be determined without additional data.
- 2The decomposition is invalid.
- 3The decomposition is lossy.
- 4The decomposition is lossless.✓
Correct answer
The decomposition is lossless.
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