Chapter 11: Problem 2
Why are normal forms alone insufficient as a condition for a good schema design?
Chapter 11: Problem 2
Why are normal forms alone insufficient as a condition for a good schema design?
All the tools & learning materials you need for study success - in one app.
Get started for freeWhat types of constraints are inclusion dependencies meant to represent?
What is meant by the attribute preservation condition on a decomposition?
Define join dependencies and fifth normal form. Why is \(5 \mathrm{NF}\) also called project. join normal form (PJNF)?
What is the lossless (or nonadditive) join property of a decomposition? Why is it important?
Why can we not guarantee that BCNF relation schemas will be produced by dependency-preserving decompositions of non-BCNF relation schemas? Give a counterexample to illustrate this point.
What do you think about this solution?
We value your feedback to improve our textbook solutions.