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The Database Environment

The Database Environment
A data warehouse uses:

health care data.
future operational data.
partial operational data.
historical operational data.

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The Database Environment
Data descriptions are stored in a central location called the depository.

False
True

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The Database Environment
An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.

True
False

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The Database Environment
Data administrators are responsible for:

overall management of data resources in an organization.
writing application programs.
managing technical issues in the database environment.
physical database design.

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The Database Environment
Stand-alone databases exhibit many of the same advantages common to file processing systems.

False
True

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

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

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