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DATABASE SYSTEMS
13th Edition
ISBN: 9780357095607
Author: Coronel
Publisher: CENGAGE L
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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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What do you mean by "transitive dependency" in your definition?
Given 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?
Explain the concept of transitive dependency in the context of the Second Normal Form (2NF) and how to resolve it.
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- The functional dependency noted as A-B means that the value of A can be determined from the value of B. mines A. O True O Falsearrow_forwardDescribe the concept of functional dependency and how it relates to normalization.arrow_forwardExplain the concept of "functional dependency" and its significance in normalization.arrow_forward
- What is a transitive dependency, and how does it relate to the Boyce-Codd Normal Form (BCNF)?arrow_forwardPlease type or write eligibly! Define Transitive Dependency. Give a good Example. Define Partial Dependency. Give a good Example.arrow_forwardWhich of the following statements best describes a partial dependency? O a. A partial dependency exists when there is a functional dependence in which the determinant is only part of the primary key. O b. A partial dependency exists when there is no functional dependence in which the determinant is only part of the primary key. O c. A partial dependency exists when there is a functional dependence in which the determinant is the primary key. O d. A partial dependency exists when there is no functional dependence in which the determinant is the primary key.arrow_forward
- No, there is an issue with the functional dependency. No, it is not yet in 2NF. No, there are repeating groups. Yes, it is in 3NF.arrow_forwardDefine the term Partial functional dependency?arrow_forwardExplain the functional dependency between the primary key and a non-key attribute via another non-key attribute?arrow_forward
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