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Exam 1: Database Systems

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Question 31

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One disadvantage of a database system over previous data management approaches is increased costs.

A) True
B) False

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Question 32

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Metadata describe the data characteristics and the set of relationships that links the data found within the database.

A) True
B) False

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Question 33

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The term _____ refers to scattered locations storing the same basic data.

_____ exists when it is possible to make changes in the data storage characteristics without affecting an application program's ability to access data.

An XML database supports the storage and management of _____ XML data.

The response of the DBMS to a query is the ___________

_____ is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions.

Accurate, relevant, and timely information is the key to ____.

End-user data is _____.

Corporations use only structured data.

_____ are the result of formatting disorganized data in order to facilitate storage, use and generation of information.

The database structure in a DBMS is stored as a _____.

The DBMS reveals much of the database's internal complexity to the application programs and users.

_____ exists when the same data are stored unnecessarily at different places.

Web and mobile technologies that enable "anywhere, anytime, always on" human interactions are forms of _____.

Discuss some considerations when designing a database.

When data are entered into a form and saved, they are placed in the underlying database as knowledge.

Structural dependence exists when it is possible to make changes in the file structure without affecting the application program's ability to access the data.

Discuss any three functions performed by the DBMS that guarantee the integrity and consistency of the data in the database.

Most data that can be encountered are best classified as _____.