Modern Database Management (12th Edition)
12th Edition
ISBN: 9780133544619
Author: Jeffrey A. Hoffer, Ramesh Venkataraman, Heikki Topi
Publisher: PEARSON
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Question
Chapter 4, Problem 4.29PAE
Program Plan Intro
(a)
The given diagram into a relational schema showing referential integrity constraint, the functional dependencies and transformation into 3NF.
Program Plan Intro
(b)
Transformation of a given diagram into a relational schema showing referential integrity constraint and a diagram of the functional dependencies.
Program Plan Intro
(c)
The given diagram into a relational schema showing referential integrity constraint, diagram the functional dependencies and transformation into 3NF if not in 3NF.
Program Plan Intro
(d)
The given diagram into a relational schema showing referential integrity constraint and the diagram of functional dependencies and transformation into 3 NF.
Program Plan Intro
(e)
Transform the given diagram into a relational schema showing referential integrity constraint, diagram the functional dependencies and transform into 3NF if not in 3NF.
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Map the ER diagram below to a set of relations (i.e., relational schema). Underline the primary key attributes of each relation. Indicate referential integrity constraints using arrows. An arrow from an attribute A to an attribute B represents that A references
Draw the Dependency Diagram that is in 3NF for each relation. For each relation show the level of Normalisation achieved, and for any not in Third Normal Form, explain why. Show PK and FK for each relation.
Relational data structures that translate the above ER diagram, which includes
relation names,
attribute names and field types
primary keys identified
Use the technique of normalization to validate the structure of your relational schema. Demonstrate that each of your relations is in third normal form (3NF) by displaying the functional dependencies between attributes in each relation. Note, if any of your relations are not in 3NF, this may indicate that your ER model is structurally incorrect or that you have introduced errors in the process of deriving relations from your model.
Chapter 4 Solutions
Modern Database Management (12th Edition)
Ch. 4 - Prob. 4.1RQCh. 4 - Prob. 4.2RQCh. 4 - Prob. 4.3RQCh. 4 - Describe the primary differences between the...Ch. 4 - Summarize six important properties of relations.Ch. 4 - Describe two properties that each candidate key...Ch. 4 - Describe the three types of anomalies that can...Ch. 4 - Demonstrate each of the anomaly types with an...Ch. 4 - Fill in the blanks in each of the following...Ch. 4 - What is a well-structured relation? Why are...
Ch. 4 - Prob. 4.11RQCh. 4 - Describe how the following components of an E-R...Ch. 4 - Prob. 4.13RQCh. 4 - Prob. 4.14RQCh. 4 - Briefly describe four typical problems that often...Ch. 4 - Prob. 4.16RQCh. 4 - Explain how each of the following types of...Ch. 4 - Prob. 4.18RQCh. 4 - Prob. 4.19RQCh. 4 - Prob. 4.20RQCh. 4 - Prob. 4.21RQCh. 4 - What is the relationship between the primary key...Ch. 4 - Prob. 4.23RQCh. 4 - Explain what can be done with primary keys to...Ch. 4 - Prob. 4.25RQCh. 4 - Explain three conditions that suggest a surrogate...Ch. 4 - Prob. 4.27RQCh. 4 - For each of the following E-R diagrams from...Ch. 4 - Prob. 4.29PAECh. 4 - Prob. 4.30PAECh. 4 - For your answers to the following Problems and...Ch. 4 - Figure 4-3212 shows a class list for Millennium...Ch. 4 - Prob. 4.33PAECh. 4 - Prob. 4.34PAECh. 4 - Prob. 4.35PAECh. 4 - Prob. 4.36PAECh. 4 - Prob. 4.37PAECh. 4 - Prob. 4.38PAECh. 4 - For your answers to the following Problems and...Ch. 4 - Transform Figure 2-15a, attribute version, to 3NF...Ch. 4 - Prob. 4.41PAECh. 4 - Prob. 4.42PAECh. 4 - Prob. 4.43PAECh. 4 - Prob. 4.44PAECh. 4 - For your answers to Problem and Exercise 3-33 from...Ch. 4 - Prob. 4.46PAECh. 4 - Prob. 4.47PAECh. 4 - Figure 4-38 includes an EER diagram for a...Ch. 4 - Prob. 4.49PAECh. 4 - Prob. 4.50PAECh. 4 - Prob. 4.51PAECh. 4 - Prob. 4.52PAECh. 4 - Figure 4-40 shows an EER diagram for a university...Ch. 4 - Explore the data included in Table 4-9. Assume...Ch. 4 - Prob. 4.55PAECh. 4 - Prob. 4.56PAECh. 4 - Prob. 4.57PAECh. 4 - Prob. 4.58PAE
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- Design an Entity-Relationship for each system described below. Use the (min,max) notation. State clearly any additional assumptions you make. Give the relational model by applying the mapping rules (WITH REFERENCES AND ARROWS). NOTE: USE CHEN ER DIAGRAM (YOU CAN USE VISIO MICROSOFT(TEMPLATE=CHEN) ONLY SHOWING THE ENTITIES/ATTRIBUTES/WEAK ENTITIES/RELATIONSHIPS/PRIMARY KEY-FK/ (MIN-MAX) NOTATIONS ALSO NOT FORGETTING THE REFERENCES ON THE MAPPING TABLES WITH ARROWS REFERRING THE FOREIGN KEYS. YOUR WORK SHOULD BE SPECIFIC WITH JUSTIFICATION. We want to build a database for a community of paleontologists, storing information about the fossils kept in different museums. Each fossil is described by the year and place of discovery, the name of the paleontologist who discovered it, the room where it is exposed, and the presumed species. Each fossil may be assigned to different species with different degrees of probability. Museums are characterized by their rooms, their paleontologists and…arrow_forward1.Consider the relation schema given in below fig. Design and draw an ER diagram that capture the information of this schema.(Analyse)(Apr/May 2017)Employee(empno,name,office,age)Books(isbn,title,authors,publisher)Loan(empno,isbn,date)Write the following queries in relational algebra and SQL.Find the names of employees who have borrowed a book published by McGraw-Hill.Find the names of employees who have borrowed all books published by McGraw-Hill.arrow_forwardWhat are three signs that a surrogate key should be generated for the primary key of a relation instead of using the main key?arrow_forward
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