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A data-driven website is an interactive website kept constantly updated and relevant to the needs of its customers using a database.

A) True
B) False

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A relational database management system allows users to create, read, update, and delete data in a relational database.

A) True
B) False

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What is extraction, transformation, and loading?


A) It is a process of entering data, tracking data, and loading it into a database.
B) It is a process that extracts information from internal and external databases, transforms it using a common set of enterprise definitions, and loads it into a data warehouse.
C) It is a process that is performed at the end of the data warehouse model prior to putting the information in a cube.
D) It is a process that is performed at the beginning of the data mining model.

E) B) and C)
F) A) and B)

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Which of the following stores information about a person, place, thing, transaction, or event, and is usually referred to as a table?


A) entity
B) extraction
C) attribute
D) foreign key

E) None of the above
F) B) and C)

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Distributed computing focuses on forecasting future trends and producing insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization.

A) True
B) False

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A foreign key is a field (or group of fields) that uniquely identifies a given entity in a table.

A) True
B) False

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Complete information asks if there is a value missing from the information.

A) True
B) False

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Within the data warehouse model, the internal databases could include marketing, sales, inventory, and billing.

A) True
B) False

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Regression is a prediction based on time-series information.

A) True
B) False

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Which of the following forms of data mining assigns records to one of a predefined set of classes?


A) clustering
B) classification
C) estimation
D) affinity grouping

E) A) and C)
F) None of the above

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If a manager identifies numerous information integrity issues, he or she should consider the reports generated from that data as invalid and not use them when making decisions.

A) True
B) False

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What can help uncover correlations and trends in data that would otherwise go unrecognized?


A) informing
B) infographics
C) data visualization tools
D) business intelligence dashboards

E) A) and B)
F) All of the above

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Data elements can include a customer's name, address, email, discount rate, preferred shipping method, product name, quantity ordered, and so on.

A) True
B) False

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The primary purpose of a data warehouse is to ________.


A) combine strategic information
B) organize departments
C) interface between the computer and employees
D) All of these are correct.

E) A) and D)
F) None of the above

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Web mining analysis describes technologies that allow users to "see" or visualize data to transform information into a business perspective.

A) True
B) False

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Regression is a statement about what will happen or might happen in the future, for example, predicting future sales or employee turnover.

A) True
B) False

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What are information integrity issues?


A) occurs when the same data element has different values
B) occurs when a system produces incorrect, inconsistent, or duplicate data
C) refers to the overall management of the availability, usability, integrity, and security of company data
D) the practice of gathering data and ensuring that it is uniform, accurate, consistent, and complete, including such entities as customers, suppliers, products, sales, employees, and other critical entities that are commonly integrated across organizational systems

E) B) and C)
F) A) and B)

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Ben works at a top accounting firm in Salt Lake City and his responsibilities include developing reports for each salesperson, product, and part as well as departmental-wide sales reports by salesperson, product, and part.Ben's duties provide value-added to his company and would be categorized as occurring at the different information ________.


A) levels
B) formats
C) granularities
D) formulas

E) A) and B)
F) None of the above

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Which of the following lists include all of the five characteristics common to high-quality information?


A) accuracy, completeness, strength, support, and positive feedback
B) accuracy, association, referral, sales, and marketing
C) accuracy, competition, support, customer service, and visibility
D) accuracy, completeness, consistency, timeliness, and uniqueness

E) A) and B)
F) A) and C)

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What is a field that uniquely identifies a given record in a table?


A) foreign key
B) primary key
C) data mining key
D) DBMS key

E) B) and C)
F) None of the above

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