Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
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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What do you mean by "transitive dependency" in your definition?
Explain the concept of transitive dependency in the context of the Second Normal Form (2NF) and how to resolve it.
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?
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Database Systems: Design, Implementation, & Management
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- What does the word "partial dependency" imply and how does it operate? What is its normal form, and what is its relationship to it?arrow_forwardIn what situations would a "transitive dependency" become a direct dependency?arrow_forwardDescribe the concept of functional dependency and how it relates to normalization.arrow_forward
- 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_forwardWhat does the Weak Entity set entail?arrow_forwardPlease type or write eligibly! Define Transitive Dependency. Give a good Example. Define Partial Dependency. Give a good Example.arrow_forward
- What is a transitive dependency, and how does it relate to the Boyce-Codd Normal Form (BCNF)?arrow_forwardExplain the concept of "functional dependency" and its significance in normalization.arrow_forwardNo, 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_forward
- Which 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_forwardDefine the term Partial functional dependency?arrow_forwardwhat is Functional Dependency and Normalization?arrow_forward
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