Database Concepts (7th Edition)
7th Edition
ISBN: 9780133544626
Author: David M. Kroenke, David J. Auer
Publisher: PEARSON
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Chapter 8, Problem 8.47RQ
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Hadoop:
- Hadoop distributed file system is Apache software foundation project thatact as the fundamental platform for the “Big data” development.
- Hadoop Distributed File system is capable of producing file services for the servers that are present in the clustered format.
- This file system is capable of functioning the clustered data as a distributed file system thus supporting and processing large scale MapReduce.
- Hadoop was patented as a part of Cassandra but later it had developed a non-relational data store Known as “HBase” and query language named as “Pig”.
Hadoop history of development:
- Hadoop is being supported by major DBMS (Data Base Management System)...
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In a shopping cart, there are various items, which can either belong to the category of household items or electronic items. The following UML diagram illustrates the relationship between items, household items, and electronic items.
//Implementation Class
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Considering that all the data definition classes and the implementation class are complete, which of the following Object-Oriented Programming (OOP) concepts do you need to use in the above context?
i) Polymorphism
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Explain, using course terminology, how you would use any of the above concepts to model the given scenario.
Answer this JAVA OOP question below:
An Employee has a name, employee ID, and department. An Employee object must be created with all its attributes. The UML diagram is provided below:
- name: String - employeeId: String - department: String
+ Employee(name: String, employeeId: String, department: String) + setName(name: String): void + setEmployeeId(employeeId: String): void + setDepartment(department: String): void + getName(): String + getEmployeeId(): String + getDepartment(): String + toString(): String
A faculty is an Employee with an additional field String field: rank
public class TestImplementation{
public static void main(String[] args){
Employee[] allEmployee = new Employee[100];
// create an employee object with name Tom Evan, employee ID 001 and department IST and store it in allEmployee
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Please answer this JAVA OOP question that is given below:
An Employee has a name, employee ID, and department. An Employee object must be created with all its attributes. The UML diagram is provided below:
- name: String - employeeId: String - department: String
+ Employee(name: String, employeeId: String, department: String) + setName(name: String): void + setEmployeeId(employeeId: String): void + setDepartment(department: String): void + getName(): String + getEmployeeId(): String + getDepartment(): String + toString(): String
A faculty is an Employee with an additional field String field: rank
Assuming the Employee class is fully implemented, define a Professor class in Java with the following:
A toString() method that includes both the inherited attributes and the specialization
Chapter 8 Solutions
Database Concepts (7th Edition)
Ch. 8 - Prob. 8.1RQCh. 8 - Prob. 8.2RQCh. 8 - Prob. 8.3RQCh. 8 - Prob. 8.4RQCh. 8 - Prob. 8.5RQCh. 8 - Prob. 8.6RQCh. 8 - What problems in operational data create the need...Ch. 8 - Prob. 8.8RQCh. 8 - Prob. 8.9RQCh. 8 - Prob. 8.10RQ
Ch. 8 - Explain the difference between a data warehouse...Ch. 8 - Prob. 8.12RQCh. 8 - Prob. 8.13RQCh. 8 - Prob. 8.14RQCh. 8 - Prob. 8.15RQCh. 8 - Prob. 8.16RQCh. 8 - Prob. 8.17RQCh. 8 - Prob. 8.18RQCh. 8 - Prob. 8.19RQCh. 8 - Prob. 8.20RQCh. 8 - Prob. 8.21RQCh. 8 - Prob. 8.22RQCh. 8 - Prob. 8.23RQCh. 8 - Prob. 8.24RQCh. 8 - Prob. 8.25RQCh. 8 - Prob. 8.26RQCh. 8 - Prob. 8.27RQCh. 8 - Explain one way to partition a database that has...Ch. 8 - Prob. 8.29RQCh. 8 - Explain what must be done when fully replicating a...Ch. 8 - Prob. 8.31RQCh. 8 - Prob. 8.32RQCh. 8 - Prob. 8.33RQCh. 8 - Prob. 8.34RQCh. 8 - Explain the meaning of the term object...Ch. 8 - Prob. 8.36RQCh. 8 - Prob. 8.37RQCh. 8 - Prob. 8.38RQCh. 8 - Prob. 8.39RQCh. 8 - Prob. 8.40RQCh. 8 - Prob. 8.41RQCh. 8 - Prob. 8.42RQCh. 8 - Prob. 8.43RQCh. 8 - Prob. 8.44RQCh. 8 - Prob. 8.45RQCh. 8 - Prob. 8.46RQCh. 8 - Prob. 8.47RQ
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