Modern Database Management
13th Edition
ISBN: 9780134773650
Author: Hoffer
Publisher: PEARSON
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Chapter 11, Problem 11.27PAE
Program Plan Intro
The purposes for which the given company might want to use big data technologies.
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Pick and summarise ONE (1) article that uses data classification in a variety of domains. (The summary should concentrate on how the material applies to data classification analysis specifically.) Please respond to the following questions:
i. What is the problem or question(s) that this study is addressing? You should be able to locate the focal point. If there are any other issues, make a note of them as well. ii. What is the data's source? There are two or more sources of data in some studies. Give a brief description of how the data was obtained.
For the ER Diagram below.
Transform it into Relational data model, and transform it into normalized form؟
Part 2: Relational data model. Take a subset of the ideas from the conceptual model you constructed in Part 1 and design a simple relationship model similar to the ones we discussed in Module 2, Video 4
Your model should have at least 5 tables
You should include at least 20 attributes, or fields, in your model (20 total across all tables, not per table)
Your model should be normalized
Identify the primary key in each table, and state whether it is a natural or surrogate key
For each relationship between tables, identify any foreign keys needed to define the relationship
For each table, identify what type of system or systems you think the data might come from, like those we discussed in Module 1, Video 6.
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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- You are required to create a conceptual data model of the data requirements for a company that specializes in IT training. The Company has 30 instructors and can handle up to 100 trainees per training session. The Company offers five advanced technology courses, each of which is taught by a teaching team of two or more instructors. Each instructor is assigned to a maximum of two teaching teams or may be assigned to do research. Each trainee undertakes one advanced technology course per training session. (a) Identify the main entity types for the company. (b) Identify the main relationship types and specify the multiplicity for each relationship. State any assumptions you make about the data. (c) Using your answers for (a) and (b), draw a single ER diagram to represent the data requirements for the company.arrow_forwardDiscuss the benefits and challenges of using NoSQL data models (e.g., document-oriented, key-value, graph) compared to traditional relational models.arrow_forwardFor the chosen organization, find the data needs, you may use different sources of information for the data collection such a : website of the company, publications about the company in newspapers, magazines, specialized journals, if needed you may also conduct interview with company’s representatives. After analyzing the data needs, you have to write a detailed scenario, containing at least four entities, their attributes and the relationships between them in the organization with appropriate cardinality constraints. You have to also identify at least one associative entity in the scenario. Use appropriate citations and references on the data collected from various source.arrow_forward
- Use the ER Dlagram shown on Figure 1 to answer question 9: 9. According to the ER diagram on Figure 1, which of the following is true? A) For each employee, we will keep track of either the employee name or the unique employee ID. B) For each department, we will keep track of either the unique department ID or the department location. C) Each employee reports to exactly one department. A department may have many employees reporting to it, but it does not have to have any. D) None of the above. Answer: EmpID EmpName EMPLOYEE Reports To Figure 1 DeptID DEPARTMENT DeptLocationarrow_forwardDevelop a simple data model for a student database that includes student data, student contact data, student demographic data, student grades data, and student financial data. Determine the data attributes that should be present in each table, and identify the primary key for each table. Develop a complete entity relationship diagram that shows how these tables are related to one another.arrow_forwardYou must present an examination of "Population & Housing in San Diego County." The goal is to look for correlations between the shifting population and residential unit density in the county. How would you go about conducting this inquiry? Please specify which data files are needed and where they might be found (including any relevant references). Which data model will you use to conduct this investigation? (You do not need to finish the analysis but you may examine the data files on the web).arrow_forward
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