Principles of Information Systems (MindTap Course List)
13th Edition
ISBN: 9781305971776
Author: Ralph Stair, George Reynolds
Publisher: Cengage Learning
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Chapter 5.4, Problem 1RQ
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Sources of data are used in Telefonica Brasil to perform customer churn analysis:
To perform customer churn analysis, the Telefonica Brasil might use the following sources of data:
- Telecom Brasil Company can use customer behavior data and customer demographic data such as age, income level, educational detail and employment status and so on...
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Mr. Emmanuel Kwame Andoh wants to start a mobile money vending business with 6 branches across the country. He wants to be able to have information on all the transactions that happens in any of his branches. He describes a typical daily activity per a worker as follows:
A customer or a person walks in and requests to do either a withdrawal or a deposit. Then his worker would record the name and number of the person, the type of transaction and the amount involved in the transaction and the transaction reference number.
Mr. Andoh provided all the information above and more to a database designer who simply supplied just the SQL script that would implement the system. But the designer did not explain how the system would work to Mr. Andoh.
#below is the SQL Script: You can copy and paste to run
create database pharmacy;
use pharmacy;
create table branch(id int(3) not null auto_increment primary key, name varchar(50) not null);
create table transaction_type(id int(1) not null…
N26, a mobile bank, was founded in 2013 by Valentin Stalf and Maximilian Tayenthal. Since its launch, N26 has built a network of more than 5 mil- lion customers in 24 European countries. In 2019, N26 began operation in the United States in partnership with Axos Bank, and in 2020 it applied for a banking license in Brazil. In total, N26 has raised close to $800 million from investors and, with a market value of $3.5 billion as of May 2020, it is one of the most valuable and well-funded fintech startups in Europe.
Traditional banks typically employ a distributed IT landscape. Banks usually operate numerous self-developed software applications, but many of these are only partially adaptable to changing processes and needs. An online bank, however, has the scope to optimally design its IT landscape and customer inter- action processes based on current needs-such as compatibility with a mobile app-without having to take legacy systems into consideration. N26 is one of the few fintech banks…
N26, a mobile bank, was founded in 2013 by Valentin Stalf and Maximilian Tayenthal. Since its launch, N26 has built a network of more than 5 mil- lion customers in 24 European countries. In 2019, N26 began operation in the United States in partnership with Axos Bank, and in 2020 it applied for a banking license in Brazil. In total, N26 has raised close to $800 million from investors and, with a market value of $3.5 billion as of May 2020, it is one of the most valuable and well-funded fintech startups in Europe.
Traditional banks typically employ a distributed IT landscape. Banks usually operate numerous self-developed software applications, but many of these are only partially adaptable to changing processes and needs. An online bank, however, has the scope to optimally design its IT landscape and customer inter- action processes based on current needs-such as compatibility with a mobile app-without having to take legacy systems into consideration. N26 is one of the few fintech banks…
Chapter 5 Solutions
Principles of Information Systems (MindTap Course List)
Ch. 5.1 - Prob. 1RQCh. 5.1 - Which attribute would you designate as the primary...Ch. 5.1 - Prob. 1CTQCh. 5.1 - Prob. 2CTQCh. 5.2 - Prob. 1RQCh. 5.2 - Prob. 2RQCh. 5.2 - Prob. 1CTQCh. 5.2 - Prob. 2CTQCh. 5.3 - Prob. 1RQCh. 5.3 - Prob. 2RQ
Ch. 5.3 - What additional questions need to be answered...Ch. 5.3 - Prob. 2CTQCh. 5.4 - Prob. 1RQCh. 5.4 - Telefonica Brasil is one of the largest...Ch. 5.4 - Prob. 1CTQCh. 5.4 - Prob. 2CTQCh. 5.5 - Prob. 1RQCh. 5.5 - Prob. 2RQCh. 5.5 - Why is it unlikely that a traditional SQL database...Ch. 5.5 - Prob. 2CTQCh. 5 - Prob. 1SATCh. 5 - Prob. 2SATCh. 5 - Prob. 3SATCh. 5 - The ______________ model is a simple but highly...Ch. 5 - The ability to combine two or more tables through...Ch. 5 - Prob. 6SATCh. 5 - Prob. 7SATCh. 5 - Prob. 8SATCh. 5 - Prob. 9SATCh. 5 - Prob. 10SATCh. 5 - Prob. 11SATCh. 5 - Prob. 12SATCh. 5 - Prob. 13SATCh. 5 - Prob. 14SATCh. 5 - Prob. 15SATCh. 5 - Prob. 16SATCh. 5 - Prob. 1RQCh. 5 - In the hierarchy of data, what is the difference...Ch. 5 - Prob. 3RQCh. 5 - What is meant by data archiving? Why is this an...Ch. 5 - What is an entity-relationship diagram, and what...Ch. 5 - Identify four basic data manipulations performed...Ch. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - Prob. 10RQCh. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - Prob. 16RQCh. 5 - Prob. 17RQCh. 5 - Prob. 1DQCh. 5 - Outline some specific steps an organization might...Ch. 5 - SQL databases conform to ACID properties. Briefly...Ch. 5 - Prob. 4DQCh. 5 - Prob. 6DQCh. 5 - Prob. 8DQCh. 5 - Prob. 1PSECh. 5 - Describe the role of a database administrator....Ch. 5 - Prob. 2CECh. 5 - Prob. 1CTQ1Ch. 5 - Prob. 2CTQ1Ch. 5 - Prob. 3CTQ1Ch. 5 - Prob. 1CTQ2Ch. 5 - Prob. 2CTQ2Ch. 5 - Prob. 3CTQ2
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