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Exam 11: Information and Data Management

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Question 61

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Verifiable information can be proven as correct or incorrect.

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verified

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Question 62

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Key fields link data together in a database.

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Question 63

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COGNITIVE ASSESSMENT Which statement is not a recognized guideline for designing a database?

COGNITIVE ASSESSMENT Which of the following does not improve with the database approach?

In the ASCII coding scheme, each byte represents a single ____________________, which can be a number, letter, space, punctuation mark, or other symbol.

A user cannot override the default value.

An application that supports a front-end program sometimes is called which of the following?

COGNITIVE ASSESSMENT In a database, what is the smallest unit of data a user accesses?

In what kind of recovery does the DBMS use the log to undo any changes made to a database during a certain period?

A user of a database such as that pictured in the accompanying figure refers to a field as what?

To access data in a(n) ____________________ database, users fill in an e-form or enter search text on a webpage.

A common reason to change a record is to update old data with new data.

In managing a company's database, which of the following roles requires a technical inside view of data?

In a rollforward, the DBMS uses the log to undo any changes made to the database during a certain period.

COGNITIVE ASSESSMENT What is DBMS?

____________________ is a computer phrase that points out that the accuracy of a computer's output depends on the accuracy of its input.

A file is a group of related fields.

Which of the following kinds of values is the one that a DBMS initially displays in a field?

Explain a multidimensional database, its applications, and its main advantage.

COGNITIVE ASSESSMENT After a power failure, you instruct the DBMS to use the log to reenter any changes made to the database since the last save or backup. What term is used to describe this backup technique?