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Exam 11: Databases

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Question 41

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The company database may be stored on a central database server and managed by a database administrator.

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Question 42

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________ processing is also known as online processing.

A) Real-time
B) Batch
C) Consignment
D) Group

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Question 43

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Compare and contrast the physical and logical views of data.

In an object-oriented database,attributes are specific instances of a class that can contain both data and instructions to manipulate the data.

This subsystem defines the logical structure of the database by using a data dictionary or schema.

In a(n) ________ database,any action on one element immediately affects the elements related to it.

Database tables can be related or connected to other tables by common key fields.

LexisNexis is an example of a(n) ________ database.

Having several instances of the same data is called data ________.

In this type of database,the data and the DBMS are stored either on the user's hard-disk drive or on a LAN file server.

Explain commercial databases and provide examples.

This type of database is organized into many tables with common data items (key fields) linking the tables to one another.

What are some measures that can be taken to ensure a database's security?

The scenario wherein many files about the same person exist across different departments within an organization is called data ________.

A monthly bank credit card bill is the result of ________ processing.

________ ensures that there aren't multiple sources of the same data.

The most basic logical element of data is a ________.

Users of a(n) ________ database have access through their personal computers linked to local or wide area networks.