The Small Oval on a Line in an E-R Diagram

question 29

True/False

The small oval on a line in an E-R diagram means that the relationship must have an entity of that type.

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Definitions:

Title of the Case

The formal designation of a legal case, usually mentioning the parties involved, used in legal documents and proceedings.

Oligopoly Model

An economic model that describes a market structure where a market or industry is dominated by a small number of large sellers, leading to limited competition.

Competitive Model

A market structure where many firms compete with similar or identical products and no single firm can influence market prices significantly.

Cournot

Refers to a model of oligopoly in which firms compete on the amount of output they will produce, affecting market prices.