CHAPTER 3 QUIZ
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Wichita State University *
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320
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Information Systems
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Apr 3, 2024
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docx
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CHAPTER 3 QUIZ 100/100 Chapter 3: Unstructured Data and NoSQL Big data are useless to a company unless ____. O the company finds something meaningful in the data quickly O the data supports assumptions the company has made before analyzing them © the company has a place to analyze and easily access the information (O the data are raw and unclean What does a query do? O calculates the solution to a complex combination of statistical functions O stores information in a virtual “deep pit” for the purpose of future extraction O allows you to ask a question and answer the said question through information pulled from the database O all of these
What is the role of a relational database? O to store large amounts of data and create easy access to important information O to store semi-structured data so that a business analytics professional can retrieve the data O to manage and store big data What is one function that a relational database can do that a non-relational database cannot? O update information QO delete information O join queries Q retrieve information What benefit(s) do non-relational databases have to a business analytics professional? QO they allow professionals to extract data from emails, documents, xml files, etc. QO they are more affordable since many are open source QO they assist in machine-to-machine data retrieval O all of these What is a primary key in a relational database? © a column that uniquely identifies a row in the table O arow that uniquely identifies a column in the table QO either a column or a row that uniquely identifies a cell in the table O both a column and a row that uniquely identify a cell in the table
Which type of non-relational database is best for the data structure of social media websites? O columnar database O document database © graph database O object database Which type of non-relational database is best for the simplest data modeling? O columnar database O document database O graph database O object database O key-value stores Hadoop is an open-source software framework that stores and processes large amounts of data using ____. O commodity cluster software © commodity cluster hardware O asynchronous map-reduced algorithms O synchronous map-reduced algorithms The Hadoop ecosystem encompasses Hadoop's various tools and projects, which were designed to promote __. © optimal usability O optimal efficiency O optimal processing power O optimal reduction
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Big data are useless to a company unless Correct 10/10 = E S a S m 3 o I e & < a S 2 Correct 10/10 What is the role of a relational database? Correct 10/10 What is one function that a relational database can do that a non-relational database cannot? Correct 10/10 What benefit(s) do non-relational databases have to a business analytics professional? Correct 10/10 What is a primary key in a relational database? Correct 10/10 Which type of non-relational database is best for the data structure of social media websites? Correct 10/10 Which type of non-relational database is best for the simplest data modeling? Correct 10/10 Hadoop is an open-source software framework that stores and processes large amounts of data using Correct 10/10 The Hadoop ecosystem encompasses Hadoop's various tools and projects, which were designed to promote __. Correct 10/10