A Schematic of the Entire Database That Describes the Relationships

question 46

Multiple Choice

A schematic of the entire database that describes the relationships in a database is called a(n) :

• A) data dictionary.
• B) intersection relationship diagram.
• C) field key diagram.
• D) data definition diagram.
• E) entity-relationship diagram.

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Definitions:

Uniform Density

A type of distribution in which all outcomes are equally likely within a specified range, characterized by a constant probability density function.

Probability

A measure of the likelihood that a particular event will occur, expressed as a number between 0 and 1.

Poisson Approximation

A statistical method used to approximate the probabilities of rare events in a fixed interval of time or space, assuming events occur with a known constant rate independently of the time since the last event.

Probability

A value between 0 and 1 determining how likely an event is to occur, representing its probability.