Ch.11: Pre-test

Facts or observations about people, places, things, and events are:

• data

• occurrences

• records

• tables

The most basic logical data element such as a single letter, number, or special character is known as a(n):

• character

• element

• phrase

• record

Each record in a database has at least one distinctive field, called the:

• key field

• structure

• type

• view

One element of database security is to provide only authorized users with:

• classes

• nodes

• passwords

• relations

The bridge between the logical and physical views of the data is provided by:

• DBMS

• records

• SQL

• tables

Highly trained computer specialists who interact with the data administration subsystem are known as:

• DBMS

• data modelers

• database administrators

• relational specialists

In a network database, each child node may have more than one parent node; this is known as a:

• hierarchy

• many-to-many relationship

• parent relationship

• relational relationship

Connections between parent nodes and child nodes are provided by:

• characters

• DBA

• objects

• pointers

Two of the most significant advantages of multidimensional databases over relational databases are processing speed and:

• conceptualization

• control

• format

• objectification

Object-oriented databases organize data by classes, attributes, methods, and:

• objects

• relations

• space

• time