In Crow's Foot Style E-R Diagrams,a Crow's Foot Mark on the Relationship

question 72

Multiple Choice

In crow's foot style E-R diagrams,a crow's foot mark on the relationship line near an entity indicates ________.

• A) a minimum cardinality of zero
• B) a minimum cardinality of one
• C) a maximum cardinality of one
• D) a maximum cardinality of many
• E) Both B and C

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Definitions:

Inversely Related

A relationship between two variables in which one increases as the other decreases, and vice versa.

Independent Variable

In research and experimentation, the variable that is manipulated or changed to observe its effects on a dependent variable.

Dependent Variable

In an experiment or study, it is the variable that is tested and measured, and it is expected to change as a result of changes in the independent variable.

Straight Line

In the context of graphs, a linear representation that exhibits a constant rate of change between two variables.