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The Database Environment

The Database Environment
Database management systems were first introduced in the 1950s.

False
True

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

True
False

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The Database Environment
All enterprise resource planning (ERP) systems are heavily dependent on databases to store the data required by the ERP applications.

True
False

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

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

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The Database Environment
Stored representations of objects and events that have meaning and importance in the user's environment are known as a database.

True
False

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The Database Environment
Duplicate data often results in loss of data integrity because:

Both A &
the data formats may be inconsistent.
Neither A &
data values may not agree.

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