In the Context of Data Models, Relationships Among Records in a Hierarchical

question 24

Multiple Choice

In the context of data models, relationships among records in a hierarchical model are called _____.

• A)nodes
• B)branches
• C)roots
• D)segments

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Definitions:

Default Cases

A branch in switch statements in programming that executes if no case labels match the switch expression.

Positive Number

A positive number is a number that is greater than zero, found on the right side of zero on a number line.

Scanner Object

An object used in Java to parse primitive types and strings using regular expressions from an input source such as a file or standard input.

Standard Input

A method through which programs receive input from the user or another program, typically through the keyboard or a file.