Exam 11: Databases

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

Compare and contrast the physical and logical views of data.

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

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

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

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

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.

How does a relational database differ from a hierarchical database?

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

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

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

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

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

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

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

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

List and describe the five basic DBMS subsystems.

Data consists of only numbers, letters, and symbols.

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