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Exam 11: Databases

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Question 31

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

A) CSi
B) Dialog Information Services
C) Dow Jones Interactive Publishing
D) LexisNexis

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verified

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Question 32

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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 33

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

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

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

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

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

Compare and contrast the physical and logical views of data.

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

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

How does a relational database differ from a hierarchical database?

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

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

List and describe the five basic DBMS subsystems.

Data consists of only numbers, letters, and symbols.

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

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

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

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

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