Question

Whether or not an instance of one entity class must participate in a relationship with another entity class is indicated by the ________.

Answer 1

Whether or not an instance of one entity class must participate in a relationship with another entity class is indicated by the minimum cardinality.

An entity's minimum cardinality in a courting suggests the wide variety of entity times that need to take part inside the relationship. An entity's minimum cardinality in a courting indicates whether or not an entity ought to participate in the dating.

It is far viable for an entity to have a relationship with itself; for instance, an entity's staff could have a relationship with itself, as one member of a team of workers may want to supervise a different body of workers. this is referred to as a recursive or involute relationship, and might be represented in an entity-relationship diagram as shown under.

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Disclaimer: your question is incomplete, please see below for the complete question.

A) degree.

B) recursive cardinality.

C) minimum cardinality.

D) maximum cardinality.

E) ordinality.