Modern Database Management
13th Edition
ISBN: 9780134773650
Author: Hoffer
Publisher: PEARSON
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Chapter 11, Problem 11.26PAE
Program Plan Intro
To determine the uses of text mining in context of an insurance company.
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Assume that you are a database specialist for Kulliyyah of Information and Communication Technology (KICT). You are required to create a conceptual data model for Abu Hurairah Club. The following are the data requirements gathered:
The Abu Hurairah Club has a few animal shelters. Each shelter is identified by an identification number and has an address, a phone number, and a set of days on which it is open. A shelter is managed by one employee.
An employee has an identification number, name, address, phone number, and a pay rate.
A volunteer has an identification number, name, address, phone number, and a meal allowance.
A person, who works at a shelter, is either an employee or a volunteer, but not both. A person may work at more than one shelter for some regular set of days each week.
An animal is housed at one shelter. Each animal has an identification number that is unique to its shelter, a name, a birth date, and a species.
Based on the requirements from a, b, c, d and e, draw…
A data model is a collection of data description constructs. The main purpose of a data modeling is to assist in the understanding of the meaning (semantics) of the data and facilitate communication about the information requirements. Discuss FIVE (5) evaluation criteria for a good data model.
[Hint: As a database designer, you have to interview customers, you are required to include questions you may ask to customers in your answers]
ER modeling is one approach in creating a data model. There are several approaches in creating a data model (bottom up, top down, inside out, and mix).
1. explain each of these approaches!2. Then explain when we use top down, bottom up, inside out and mix? what is the function of each of the approaches?
Chapter 11 Solutions
Modern Database Management
Ch. 11 - Prob. 11.1RQCh. 11 - Prob. 11.2RQCh. 11 - Prob. 11.3RQCh. 11 - Prob. 11.4RQCh. 11 - Prob. 11.5RQCh. 11 - Prob. 11.6RQCh. 11 - Prob. 11.7RQCh. 11 - Prob. 11.8RQCh. 11 - Prob. 11.9RQCh. 11 - Prob. 11.10RQ
Ch. 11 - Prob. 11.11RQCh. 11 - Prob. 11.12RQCh. 11 - Prob. 11.13RQCh. 11 - Prob. 11.14RQCh. 11 - Prob. 11.15RQCh. 11 - Prob. 11.16RQCh. 11 - Describe the core idea underlying in-database...Ch. 11 - Prob. 11.18RQCh. 11 - Prob. 11.19RQCh. 11 - Prob. 11.20PAECh. 11 - Prob. 11.21PAECh. 11 - Prob. 11.22PAECh. 11 - Prob. 11.23PAECh. 11 - Prob. 11.24PAECh. 11 - Prob. 11.25PAECh. 11 - Prob. 11.26PAECh. 11 - Prob. 11.27PAECh. 11 - Problems and Exercises 11-22 through 11-28 are...Ch. 11 - Prob. 11.29PAECh. 11 - Prob. 11.30PAE
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- What is the role of an inverse attribute in data modeling?arrow_forwardIn which data models is the many-to-many link between entities not supported? Provide an explanation of the model, including its benefits and drawbacks.arrow_forwardShould the cardinality between entities be translated/read from both ends of the notation when dealing with database entity relationship modeling? To put it another way, can a connection between two things be comprehended by reading it both forward and backward?arrow_forward
- The ______________ model is a simple but highly useful way to organize data into collections of two-dimensional tables called relations.arrow_forwardWhen translating an ER model into database tables a.) all of the entity attributes become the foreign keys. b.) the entity attributes become the tables. c.) for each entity, two tables need to be created. d.) the entity attributes become the fields of the new table. The goal of normalization is to, (please select all that apply): a.) eliminate data duplication. b.) is create only 1:N relationships. c.) to create as few as possible tables to promote efficiency between the tables. d.) construct tables so that each table has a single topic or theme.arrow_forwardFor questions 1 through 3, state whether the statements are True or False (Do not provide anyexplanation or comment but only an answer of either True or False): 1. “Logical data model” is another term for requirements visualization.2. The guidelines and methods for database requirements phase do not call for an iterativeprocess.3. The logical model serves as a blueprint for the conceptual database model.arrow_forward
- The purpose of the assignment is to facilitate the learning of data modeling concepts through models developed by individuals. Things to be considered in the applications to be developed: Creating a model with at least 15 tables for vaccination tracking system. The characteristics and relationships of the tables are in the model. Step by step analysis of the normalization steps for a table with multiple relationships in the model. It will briefly be stated which entity-tables will be used for what purpose. Only special rules will be added in the relational data model that cannot be directly specified.arrow_forwardShould the cardinality between entities be translated/read from both ends of the notation when dealing with database entity relationship modelling? In other words, should a relationship between things be understandable when read both forwards and backwards?arrow_forwardIn what scenarios is a ternary relationship appropriate in data modeling?arrow_forward
- What is entity-relationship modeling, and how is it used in the context of data modeling?arrow_forwardHow are recursive relationships managed in data modeling?arrow_forward1. Which of the studied data structures in this course would be the most appropriate choice for the following tasks? And Why? To be submitted through Turnitin. Maximum allowed similarity is 15%. a. A training institute needs to maintain a database of 2000 identification numbers of trainees who received an ICDL certification. The goal is to find rapidly whether or not a given ID is in the database. Ordering information among the identification numbers is not important; speed of response is very important; efficient use of memory is also important, but not as important as speed of response. b. A large fixed content of data needs to be maintained. It is sorted and the admin needs to search for and retrieve existing items, but no new/existing items will be inserted/deleted. You may assume that the data can fit inside the memory of the computer. c. A transposition table is a cache of previously seen positions in a game tree generated by a computer game playing program. If a position recurs…arrow_forward
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