Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 6, Problem 11RQ
Program Plan Intro
Normalization:
The process used to minimize data redundancy and dependency in a relational
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Discuss the concept of transitive dependency and its relevance in the context of normalization.
Explain the concept of transitive dependency in the context of the Second Normal Form (2NF) and how to resolve it.
Explore the concept of partial dependency and its role in higher normal forms like second normal form (2NF) and third normal form (3NF).
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Database Systems: Design, Implementation, & Management
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- 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?arrow_forwardThis is a database systems question I am unsure about the answer of: The price of a property fluctuates with time, and therefore depends on it. What is the additional functional dependency that reflects this fact? a. (DateSold, PriceSold) → PropertylD b. DateSold → PriceSold c. None of the other options d. (PropertylD, DateSold) → PriceSold e. PriceSold → DateSoldarrow_forwardDon't copy the answer from Bartleby do your own even if you write on papper also no problemarrow_forward
- The contrasting characteristics of overlapping and disjoint constraints are the focus of this description.arrow_forwardDiscuss the concept of data dependency and its implications in the context of data binding.arrow_forwardA decomposition of a relation R into Rị and R2 is dependency preserving, if - (a) R can be reproduced by natural join of R1 and R2 (i.e, by R1 ¤R2). (b) All the functional dependencies can be checked without computing R1 ¤R2. (c) R¡NR2 forms a super key for either R1 or R2. (d) All of them.arrow_forward
- Convert this Table into BCNF . pls show the result of each step in the normalization process. Books( book_id, title, publisher_id, ISBN, edition, price, num_page, publication_date) Functional Dependencybook_id -->title, publisher_idISBN -->title , edition, price, num_page, publication_dateedition -->publication_datearrow_forwardThe text states that you can argue that “the only reason for having relations is to store instances of functional dependencies.” Explain, in your own words, what this meansarrow_forwardWhat's the difference between weak and strong entity sets?arrow_forward
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