THE DATABASE ENVIRONMENT QUIZ

The database approach requires additional costs and risks.

False

True

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

False

True

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

False

True

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Some advantages of the database approach include all, but:

program-data dependency.

improved data sharing.

minimal data redundancy.

improved data consistency.

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

what the fine distinctions are between similar data items.

what the data mean.

understand what data exist.

sample data.

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

False

True

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Legacy data is which of the following?

Data rejected during the installation of a new system

Data contained in a newly-installed system

Data contained by a system used prior to the installation of a new system

Data contained in a file system

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A data warehouse uses:

health care data.

partial operational data.

historical operational data.

future operational data.

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Which of the following types of databases are the most common?

Department

Enterprise

Personal

Workgroup

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A database application can perform which of the following activities?

Add records

Read records

All of these

Update records

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