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Exam 11: Databases

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Question 31

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Typically, one of the duties of a database administrator is to interact with the data administration subsystem.

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Question 32

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A(n) _______ is a collection of related records.

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Question 33

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In a network database, a node can be traced down through different branches.

In this database model, the fields or records are structured in nodes.

Object-oriented databases organize data using objects, classes, entities, attributes, and _______.

Compare and contrast the physical and logical views of data.

The ATM works on the principle of real-time processing.

A(n) _______ represents a collection of attributes that describe an entity.

A record represents a collection of attributes that describe a(n) _______.

This commercial database offers news and information on legal, public records, and business issues.

In a distributed database, all the data must be physically located in one place.

The combined information presented on this type of database can be used to change the whole merchandising strategy of a store.

A(n) _______ database includes multiple dimensions, sometimes called a data cube.

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

How does a relational database differ from a hierarchical database?

The logical view of data focuses on meanings and content of the data.

Data consists of only numbers, letters, and symbols.

List and describe the five basic DBMS subsystems.

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

Access to these databases is offered to the public or selected outside individuals, for a fee.