Modern Database Management
13th Edition
ISBN: 9780134773650
Author: Hoffer
Publisher: PEARSON
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Question
Chapter 2, Problem 2.45PAE
Program Plan Intro
To draw the ERD for Symphony Orchestra based on the given entities and other requirements.
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Assignment Brief:
Some of the most difficult decisions that you face as a database developer are what tables to
create and what columns to place in each table, as well as how to relate the tables that you
create. Normalization is the process of applying a series of rules to ensure that your database
achieves optimal structure. Normal forms are a progression of these rules. Each successive
normal form achieves a better database design than the previous form did. Based on your
understanding for the various normal form respond to the following problems and provide the
optimal answer/solution.
Problem#1: 1st Normal Form (1NF)
Consider the Students table, with the primary key underlined, and the following data:
Students:
Alpha
100111
Email
doe@usna.edu
Name
Courses
GradePoints
NN204, SI204,
IT221
SM223, EE301
SI204
John Doe
2,3,3
Matt Smith
092244
113221
smith@usna.edu
black@usna.edu
4,4
Melinda
3
Black
NN204, SI204,
IT221
090112
Tom Johnson
Johnson@usna.ed
4,2,3
u
a) Is the Students table…
Task 1: ER diagram for give scenario
Consider building a database for a shopping mall with requirements as follows:
Each product of the shopping mall has a unique project No, and also has a name, a supplier name, a category, a purchase price and a selling price.
Products need to be supplied from suppliers. Each product has one supplier, but a supplier may supply many products for the shopping mall.
Each supplier has a supplier name and address.
A purchase order for product from a supplier has a unique order No, and a date. The order specifies one or more products and their quantities required for a product.
A sales order for product to customers has a unique order No, and a date. The order specifies one or more products and their quantities required for a product
The shopping mall has warehouses. Each warehouse has a warehouse number, an address and a contact phone number. Each warehouse has shelves to store products. Each shelf has a shelf-number and a capacity. The shelf…
Problem statement:
Assume that you are an employee of a consultancy company that specializes in the analysis, design, and implementation of database systems. Southern Arkansas University (SAU) IT Group has recently approached your company with a view to implementing a database system for SAU, but they are not familiar with the development process. You are required to present an overview of the fact-finding techniques that your company intends to use to support the development of SAU’s database system. With this task in mind, create a 6-page report (Times New Roman, 12 font-size, double space) that describes each fact-finding technique and how the fact-finding techniques will be used throughout (each step of) the development of the database system.
Chapter 2 Solutions
Modern Database Management
Ch. 2 - Define each of the following terms: entity type...Ch. 2 - Match the following terms and definitions....Ch. 2 - Contrast the following terms: stored attribute;...Ch. 2 - Prob. 2.4RQCh. 2 - Prob. 2.5RQCh. 2 - Prob. 2.6RQCh. 2 - State six general guidelines for naming data...Ch. 2 - Prob. 2.8RQCh. 2 - Prob. 2.9RQCh. 2 - State three conditions that suggest the designer...
Ch. 2 - List the four types of cardinality constraints,...Ch. 2 - Give an example, Other than those described in...Ch. 2 - What is the degree of a relationship? List the...Ch. 2 - Give an example (Other than those described in...Ch. 2 - Give an example of each of the following, other...Ch. 2 - Give an example of the use of effective (or...Ch. 2 - State a rule that says when to extract an...Ch. 2 - Prob. 2.18RQCh. 2 - In addition to explaining what action is being...Ch. 2 - For the Manages relationship in Figure 2-12a,...Ch. 2 - Explain the distinction between entity type and...Ch. 2 - Why is it recommended that every ternary...Ch. 2 - A cellular operator needs a database to keep track...Ch. 2 - Prob. 2.24PAECh. 2 - Answer the following questions concerning Figure...Ch. 2 - Prob. 2.26PAECh. 2 - You may have been assigned a CASE or a drawing...Ch. 2 - Consider the two E-R diagrams in Figure 2-25 Q,...Ch. 2 - Prob. 2.29PAECh. 2 - Are associative entities also weak entities? Why...Ch. 2 - Because Visio does not explicitly show associative...Ch. 2 - Figure 2-26 shows a grade report that is mailed to...Ch. 2 - Prob. 2.33PAECh. 2 - The Is Married To relationship in Figure 2-12a...Ch. 2 - Figure 2-27 represents a situation of students who...Ch. 2 - Figure 2-28 shows two diagrams (A and B), both of...Ch. 2 - Prob. 2.37PAECh. 2 - Review Figure 2-8LQ and Figure 2-22. Identify any...Ch. 2 - Prob. 2.39PAECh. 2 - Prob. 2.40PAECh. 2 - Prob. 2.41PAECh. 2 - Prob. 2.42PAECh. 2 - Prob. 2.43PAECh. 2 - Prob. 2.44PAECh. 2 - Prob. 2.45PAECh. 2 - Prob. 2.46PAECh. 2 - Prob. 2.47PAECh. 2 - Prob. 2.48PAECh. 2 - Draw an ERD for the following situation. (State...Ch. 2 - Prob. 2.50PAECh. 2 - Prob. 2.51PAECh. 2 - Review your answer to Problem and Exercise 2-49 if...
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