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Exam 11: Databases

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Question 41

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Which view of data deals with how the data is actually formatted and located?

A) Physical view
B) Logical view
C) Information view
D) Technical view

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Question 42

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Describe the structure and functionality of a hierarchical database.

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In a hierarchical database, fields or re...

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Question 43

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What are the advantages of having databases?

Which of the following is an advantage of using multidimensional databases?

In the _______ database, data elements are stored in different tables, each of which consists of rows and columns.

LexisNexis is an example of a(n) _______ database.

The logical arrangement of data in a database is called the database model.

Data redundancy can occur due to lack of data integrity.

Analysis tools that support viewing all or selected parts of data, querying the database, and generating reports include query-by-example as well as specialized programming language called _______.

Having several instances of the same data is called data _______.

Explain commercial databases and provide examples.

A record is a collection of related tables.

In an object-oriented database, attributes are specific instances of a class that can contain both data and instructions to manipulate the data.

In order to create, modify, and gain access to a database, special software, called the database management system, is required.

Explain the components of data organization.

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 _______.

These types of databases are also called information utilities or data banks.

Which of the following is not an advantage of using a database?