When Constructing an ERD from a Problem Narrative

question 67

Multiple Choice

When constructing an ERD from a problem narrative:

• A) You can derive relationships but not cardinalities from the narrative
• B) You can derive cardinalities but not relationships from the narrative
• C) You can usually derive both relationships and cardinalities from the narrative, but sometimes they are incomplete
• D) None of the above

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Definitions:

Comparable Interface

A Java interface used for comparing objects of the same class to sort them.

Semantics

Semantics refers to the meaning or interpretation of words, phrases, symbols, or other elements in a language or programming context, as opposed to their syntax or form.

Inner Classes

Classes defined within another class, used in programming to logically group classes that are only used in one place, thus increasing encapsulation.

Inner Class

A class defined within another class, useful for logically grouping classes that are only used in one place.