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The Database Environment

The Database Environment
Data quality problems currently cost U.S. businesses some $60 million each year (Hudica, 2003).

False
True

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The Database Environment
Structured data may include which of the following?

Video clip
Photo image
Dates
None of these

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The Database Environment
Which of the following is true for a relational database?

It is difficult to access data.
All of these
Complex programs have to be written for simple queries.
Data is represented by tables.

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The Database Environment
A shared database should:

be accurate and available.
be secure.
All of these
provide for backup and recovery.

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The Database Environment
Metadata enables database designers and users to do all of the following except:

sample data.
understand what data exist.
what the data mean.
what the fine distinctions are between similar data items.

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The Database Environment
Some advantages of the database approach include all, but:

program-data dependency.
improved data consistency.
minimal data redundancy.
improved data sharing.

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