Question 1

What are the three distinct characteristics that distinguish big data from traditional data?

Accepted Answer

A)   volume, variety and veracity
B)   volume, velocity and verification
C)   volume, velocity and variety
D)   volume, verification and variety

Question 2

Explain the six problems that can be minimized using the database approach.
Section reference 1: The Database Approach

Accepted Answer

The answer of Explain the six problems that can be...

Question 3

In a jewelry store, a customer places an order for a piece of jewelry (for example, a silver pin in the shape of a tulip) . A customer could order more than one piece of jewelry at a time. Which of the following entity-relationship diagrams is true?

Accepted Answer

A)  
B)  
C)  
D)  
E)

Question 4

_____ are fields in a record that have some identifying information but typically do not identify the record with complete accuracy.

Accepted Answer

A)   Primary keys
B)   Secondary keys
C)   Duplicate keys
D)   Attribute keys
E)   Record keys

Question 5

Not including alphabetic characters in a Social Security Number field is an example of _____ .

Accepted Answer

A)   Data isolation.
B)   Data integrity.
C)   Data consistency.
D)   Data redundancy.
E)   Application/data dependence.

Question 6

Place the following members of the data hierarchy in their correct order:

Accepted Answer

A)   Bit - byte - field - record - database - file
B)   Bit - field - byte - record - file - database
C)   Byte - bit - record - field - database
D)   Bit - byte - field - record - file - database
E)   Bit - record - field - byte - file -- database

Question 7

You would be an instance of your university's STUDENT class.

Accepted Answer

A) True 
 B)False

Question 8

Describe the six steps of the knowledge management system cycle.
Section reference 1: Knowledge Management

Accepted Answer

The answer of Describe the six steps of the knowledge...

Question 9

Data dictionaries perform all of the following functions except:

Accepted Answer

A)   Providing information on each record.
B)   Providing information on why attributes are needed in the database.
C)   Defining the format necessary to enter data into the database.
D)   Providing information on the name of each attribute.
E)   Providing information on how often attributes should be updated.

Question 10

Traditional data formats change ______ while big data formats change _______.

Accepted Answer

A)   slowly, rapidly
B)   rapidly, slowly
C)   slowly, incrementally
D)   both formats of data change at the same rate

Question 11

An entity is a person, place, thing, or event about which information is maintained.

Accepted Answer

A) True 
 B)False

Question 12

At your university, students can take more than one class, and each class can have more than one student. This is an example of what kind of relationship?

Accepted Answer

A)   one-to-one
B)   one-to-many
C)   many-to-one
D)   many-to-many
E)   some-to-many

Question 13

An organization's data warehouse generally maintains its operational data.

Accepted Answer

A) True 
 B)False

Question 14

Explicit knowledge has which of the following characteristics?

Accepted Answer

A)   objective
B)   personal
C)   slow
D)   costly to transfer
E)   ambiguous

Question 15

For the following entity-relationship diagram, the attributes you would NOT expect to see in the Computer entity are

Accepted Answer

A)   manufacturer.
B)   type (laptop or desktop) .
C)   memory size.
D)   disk size.
E)   student's dorm room.

Question 16

Describe the various new sources for data, and provide an example of each.
Section reference 1: Opening case

Accepted Answer

The answer of Describe the various new sources for data,...

Question 17

Structured query language is a relational database language that enables users to perform complicated searches with relatively simple statements.

Accepted Answer

A) True 
 B)False

Exam 5: Data and Knowledge Management

At your university, students can take more than one class, and each class can have more than one student. This is an example of what kind of relationship?

Correct Answer
verified

An entity is a person, place, thing, or event about which information is maintained.

Correct Answer
verified

Describe the various new sources for data, and provide an example of each. Section reference 1: Opening case

Correct Answer
verified

What are the three distinct characteristics that distinguish big data from traditional data?

Correct Answer
verified

Not including alphabetic characters in a Social Security Number field is an example of _____ .

Correct Answer
verified

You would be an instance of your university's STUDENT class.

Correct Answer
verified

Describe the six steps of the knowledge management system cycle. Section reference 1: Knowledge Management

Correct Answer
verified

In a jewelry store, a customer places an order for a piece of jewelry (for example, a silver pin in the shape of a tulip) . A customer could order more than one piece of jewelry at a time. Which of the following entity-relationship diagrams is true?

Correct Answer
verified

Place the following members of the data hierarchy in their correct order:

Correct Answer
verified

Traditional data formats change while big data formats change _.

Correct Answer
verified

_____ are fields in a record that have some identifying information but typically do not identify the record with complete accuracy.

Correct Answer
verified

Explain the six problems that can be minimized using the database approach. Section reference 1: The Database Approach

Correct Answer
verified

Data dictionaries perform all of the following functions except:

Correct Answer
verified

For the following entity-relationship diagram, the attributes you would NOT expect to see in the Computer entity are

Correct Answer
verified

Structured query language is a relational database language that enables users to perform complicated searches with relatively simple statements.

Correct Answer
verified

Explicit knowledge has which of the following characteristics?

Correct Answer
verified

An organization's data warehouse generally maintains its operational data.

Correct Answer
verified

Exam 5: Data and Knowledge Management

At your university, students can take more than one class, and each class can have more than one student. This is an example of what kind of relationship?

Correct AnswerverifiedShow Answer

An entity is a person, place, thing, or event about which information is maintained.

Correct AnswerverifiedShow Answer

Describe the various new sources for data, and provide an example of each. Section reference 1: Opening case

Correct AnswerverifiedShow Answer

What are the three distinct characteristics that distinguish big data from traditional data?

Correct AnswerverifiedShow Answer

Not including alphabetic characters in a Social Security Number field is an example of _____ .

Correct AnswerverifiedShow Answer

You would be an instance of your university's STUDENT class.

Correct AnswerverifiedShow Answer

Describe the six steps of the knowledge management system cycle. Section reference 1: Knowledge Management

Correct AnswerverifiedShow Answer

In a jewelry store, a customer places an order for a piece of jewelry (for example, a silver pin in the shape of a tulip) . A customer could order more than one piece of jewelry at a time. Which of the following entity-relationship diagrams is true?

Correct AnswerverifiedShow Answer

Place the following members of the data hierarchy in their correct order:

Correct AnswerverifiedShow Answer

Traditional data formats change ______ while big data formats change _______.

Correct AnswerverifiedShow Answer

_____ are fields in a record that have some identifying information but typically do not identify the record with complete accuracy.

Correct AnswerverifiedShow Answer

Explain the six problems that can be minimized using the database approach. Section reference 1: The Database Approach

Correct AnswerverifiedShow Answer

Data dictionaries perform all of the following functions except:

Correct AnswerverifiedShow Answer

For the following entity-relationship diagram, the attributes you would NOT expect to see in the Computer entity are

Correct AnswerverifiedShow Answer

Structured query language is a relational database language that enables users to perform complicated searches with relatively simple statements.

Correct AnswerverifiedShow Answer

Explicit knowledge has which of the following characteristics?

Correct AnswerverifiedShow Answer

An organization's data warehouse generally maintains its operational data.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Traditional data formats change while big data formats change _.

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
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