Fundamentals of Information Systems

9th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781337097536



Fundamentals of Information Systems

9th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781337097536
Chapter 3, Problem 13LO
Textbook Problem

Outline the extract, transform, and load process.

Program Plan Intro

Explain Extract, Transform and load process.

Explanation of Solution

In data warehouse, the data is updated timely with new data. The data comes from different sources and in different format so the chances of data being bad data becomes higher with that. It is important to clean that data before storing it into data warehouse. For that, the process of extract, transform and load is applied on the data.

The process is divided into three steps:

Extract: Data collected from different sources may have different formats. So, in this step the data is extracted from different sources and is converted into same format or pattern...

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Chapter 3 Solutions

Fundamentals of Information Systems
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Ch. 3 - Define the term data management and state its...Ch. 3 - Define the terms data warehouse, data mart, and...Ch. 3 - Outline the extract, transform, and load process.Ch. 3 - Explain how a NoSOL database is different from an...Ch. 3 - Discuss the whole Hadoop computing environment and...Ch. 3 - Define the term in-memory database and explain its...Ch. 3 - Identify 10 data attributes you would capture for...Ch. 3 - Which attribute would you designate as the primary...Ch. 3 - Should the database include data about the status...Ch. 3 - Can you foresee any problems with keeping the data...Ch. 3 - NCEI is responsible for hosting and providing...Ch. 3 - Define the domain of acceptable values for...Ch. 3 - What issues could cause the raw weather data...Ch. 3 - How might incomplete or inaccurate data he...Ch. 3 - What advantages might be gained from moving to a...Ch. 3 - Can you think of any possible disadvantages to...Ch. 3 - What additional questions need to be answered...Ch. 3 - How might such a move affect you and your role?Ch. 3 - Identify specific federal regulations that apply...Ch. 3 - Would it make sense for Walgreen to appoint a data...Ch. 3 - Do you think that Walgreens should attempt to...Ch. 3 - Identify several potential negative consequences...Ch. 3 - What sources of data might Telefonica Brasil use...Ch. 3 - What database technology options might the firm...Ch. 3 - Why is it unlikely that a traditional SQL database...Ch. 3 - In addition to a database management system, what...Ch. 3 - A field or set of fields that uniquely identifies...Ch. 3 - The key concept of the database approach to data...Ch. 3 - A(n) provides an organizational-level roadmap for...Ch. 3 - The ___________ model is a simple but highly...Ch. 3 - The ability to combine two or more tables through...Ch. 3 - SQL databases conform to ACID properties, which...Ch. 3 - The process of detecting and then correcting or...Ch. 3 - Because the DBMS is responsible for providing...Ch. 3 - A(n) _____________ is an individual responsible...Ch. 3 - Data administrators arc skilled and trained IS...Ch. 3 - With _____________ the database is stored on a...Ch. 3 - Three characteristics associated with big data...Ch. 3 - The Data Management Association has defined 10...Ch. 3 - A(n) ___________ database provides a means to...Ch. 3 - Hadoop has two primary components—a data...Ch. 3 - An ___________ is a database management system...Ch. 3 - How would you define the term “database”? How...Ch. 3 - In the hierarchy of data, what is the difference...Ch. 3 - What is meant by the database approach to data...Ch. 3 - What is meant by data archiving? Why is this an...Ch. 3 - What is an entity-relationship diagram, and what...Ch. 3 - Identify four basic data manipulations performed...Ch. 3 - What is data scrubbing?Ch. 3 - What is database as a service (DaaS)? What are the...Ch. 3 - What is Hadoop? What are its primary components,...Ch. 3 - What is schema, and how is it used?Ch. 3 - What is concurrency control? Why is it important?Ch. 3 - What is in-memory database processing, and what...Ch. 3 - What is the difference between projecting and...Ch. 3 - What is big data? Identify three characteristics...Ch. 3 - What is a data warehouse, and how is it different...Ch. 3 - What is a data lake, and how is it different from...Ch. 3 - How does an in-memory database provide fast access...Ch. 3 - What concerns might be raised by performing data...Ch. 3 - Outline some specific steps an organization might...Ch. 3 - SQL databases conform to ACID properties. Briefly...Ch. 3 - Describe how a NOSQL database differs from a...Ch. 3 - Review Table 3.4, which provides a list of rules,...Ch. 3 - Identify and briefly describe the steps in the ETL...Ch. 3 - Consider three organizations that have databases...Ch. 3 - Identity theft, where people steal personal...Ch. 3 - Read the article Why ‘Big Data’ Is a Big Deal” by...Ch. 3 - Develop a simple data model for a student database...Ch. 3 - A company that provides a movie-streaming...Ch. 3 - Use a database management system to build a...Ch. 3 - To improve service to their customers, the...Ch. 3 - Do research to find out more about the...Ch. 3 - Do research to find an example of an organization...Ch. 3 - Do research to find three different estimates of...Ch. 3 - Describe the role of a database administrator....Ch. 3 - How could you use big data to do a better job at...Ch. 3 - Identify some of the challenges associated with...Ch. 3 - Would WholeWorldBand be likely to employ SQL,...Ch. 3 - Go to the WholeworldBand Web site at...Ch. 3 - One of the advantages of a Hadoop implementation...Ch. 3 - Explain how the three characteristics of big data...Ch. 3 - How might Mercy benefit from an enterprise data...

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