THE DATABASE ENVIRONMENT QUIZ

A shared database should:

All of these

provide for backup and recovery.

be accurate and available.

be secure.

TRUE ANSWER : ?
YOUR ANSWER : ?

A database application can perform which of the following activities?

Update records

Read records

All of these

Add records

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

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.

TRUE ANSWER : ?
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Which of the following types of databases are the most common?

Enterprise

Department

Workgroup

Personal

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Databases that contain historical and summarized information are usually called data warehouses.

True

False

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

False

True

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The source of the data is sometimes called the system of record.

False

True

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Duplicate data often results in loss of data integrity because:

Neither A &

Both A &

data values may not agree.

the data formats may be inconsistent.

TRUE ANSWER : ?
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A data warehouse uses:

partial operational data.

health care data.

historical operational data.

future operational data.

TRUE ANSWER : ?
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