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Home Page Science Computer Science Databases Credit Card Bill Lesson 6 Self-Quiz - Flashcards

Lesson 6 Self-Quiz – Flashcards

Collin Foley
8 July 2022
17 test answers

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question
If Mr. Smith's bike has been sent to his new address, but the bill to his old one, it can most likely be attributed to a lack of data _______.
answer
integrity
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A collection of related fields such as a person's name, address, and age.
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Record
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In an object-oriented database, attributes are specific instances of a class that can contain both data and instructions to manipulate the data.
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false
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In the object-oriented database model, this term is the equivalent to a field in a relational model.
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Method
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In a distributed database, all the data must be physically located in one place.
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false
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question
Access to these databases is offered to the public or selected outside individuals, for a fee.
answer
Commercial databases
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question
The logical arrangement of data in a database is called the database model.
answer
true
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question
Relational database tables require a common data item.
answer
true
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question
This subsystem defines the logical structure of the database by using a data dictionary or schema.
answer
Data definition
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question
A record is a collection of related tables.
answer
false
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question
Which of the following is not an advantage of using a database?
answer
Reliability
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question
Which of the following is an advantage of using multidimensional databases?
answer
Conceptualization
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question
The company database may be stored on a central database server and managed by a database administrator.
answer
true
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question
Individual databases are the foundation of management information systems.
answer
false
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question
Which view of data deals with how the data is actually formatted and located?
answer
Physical view
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Typically, one of the duties of a database administrator is to interact with the data administration subsystem.
answer
true
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question
The combined information presented on this type of database can be used to change the whole merchandising strategy of a store.
answer
Company
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Question
What is the right structure for an essay
Answer
A paragraph is a related group of sentences that develops one main idea. Each paragraph in the body of the essay should contain:
  • a topic sentence that states the main or controlling idea
  • supporting sentences to explain and develop the point you’re making
  • evidence from your reading or an example from the subject area that supports your point
  • analysis of the implication/significance/impact of the evidence finished off with a critical conclusion you have drawn from the evidence.