Cardinality is the maximum number of objects that can participate in a relationship

Q.  The maximum number of objects that can participate in a relationship is called________ .
- Published on 22 Jul 15

a. Cardinality
b. Attributes
c. Operations
d. Transformers

ANSWER: Cardinality
 

    Discussion

  • Nirja Shah   -Posted on 27 Oct 15
    Cardinality
    - Cardinality in data modeling, specifies how the number of occurrences of one object related to the number of occurrences of another object.

    One to one (1:1)
    - Here one object can relate to only one other object.

    One to many (1:N)
    - One object can relate to many objects.

    Many to many (M:N)
    - Some number of occurrences of an object can relate to some other number of occurrences of another object.

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