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Select the types of multiplicities connected with association relationship.Two to oneOne to OneOne to TwoOne to ManyMany to Many

Question

Select the types of multiplicities connected with association relationship.Two to oneOne to OneOne to TwoOne to ManyMany to Many

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Solution

The types of multiplicities connected with association relationship are:

  1. One to One: This type of association defines that there is only one occurrence of the first class related to one occurrence of the second class. For example, a person has one passport.

  2. One to Many: This type of association defines that there is one occurrence of the first class related to multiple occurrences of the second class. For example, a mother can have many children.

  3. Many to Many: This type of association defines that there are multiple occurrences of the first class related to multiple occurrences of the second class. For example, a student can be enrolled in many courses, and a course can have many students.

The other two options "Two to one" and "One to Two" are not standard types of multiplicities in association relationships.

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