Database Systems: Design, Implementation, & Management
11th Edition
ISBN: 9781285196145
Author: Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher: Cengage Learning
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Chapter 6, Problem 9RQ
Program Plan Intro
Normalization:
The process used to minimize data redundancy and dependency in a relational
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Database Systems: Design, Implementation, & Management
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- Describe the concept of functional dependency and how it relates to normalization.arrow_forwardGiven the reation R (A, B, C, D , E), with functional dependencies: A, B -> C D, E -> C B -> D Could you explain why this is not functional dependency preserving? Also could you work out the BCNF for this?arrow_forwardA transitive dependency is equivalent to which of the following?A) A functional dependency between two or more key attributes.B) A functional dependency between two or more nonkey attributes.C) A relation that is in first normal form.D) A relation that is in second normal form.arrow_forward
- 4NF is used to handle_______. Transitive dependency Candidate dependency Partial dependencies Multivalued dependencyarrow_forwardWhat is a transitive dependency, and how does it relate to the Boyce-Codd Normal Form (BCNF)?arrow_forwardExplain the functional dependency between the primary key and a non-key attribute via another non-key attribute?arrow_forward
- What is the definition of a transitive dependency? What is the rule for converting second normal form tables to third normal form tables?arrow_forwardWhy is dependency necessary? And how does it stack up against other concepts?arrow_forwardWhat do you specifically mean when you say that transitive dependency is defined by you?arrow_forward
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