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Exam 1: The Database Approach

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Question 1

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XML data is ____.

A) structured
B) multistructured
C) unstructured
D) semistructured

E) All of the above
F) None of the above

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Question 2

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A(n) ___________________________________ is a collection of programs that manages the database structure and controls access to the data stored in the database.

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DBMS (database manag...

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Question 3

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____ data exist in a format that does not lend itself to processing that yields information.

____ relates to the activities that make the database perform more efficiently in terms of storage and access speed.

The phrase ____ refers to an organization of components that define and regulate the collection, storage, management and use of data within a database environment.

Discuss some considerations when designing a database.

Most data you encounter is best classified as ____.

A workgroup database is a(n) ____ database.

A query language is a procedural language.

Historically, a manual file system was composed of a system of file folders and filing cabinets.

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

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

A(n) ____ database is used by an organization and supports many users across many departments.

A data warehouse can store data derived from many sources.

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.

Most decision-support data are based on historical data obtained from ____.

Metadata present a more complete picture of the data in the database than the data itself.

Corporations use only structured data.

What are the advantages of having the DBMS between the end user's applications and the database?

What are some reasons for studying file systems?