Four basic forms of cardinality are possible: zero or one (0,1),one and only one (1,1),one or many (1,M),and many and only many (M,M).

Name: Four basic forms of cardinality are possible: zero or one (0,1),one and only one (1,1),one or many (1,M),and many and only many (M,M).
Brand: Quizplus
Rating: 4.8 (32 reviews)

Question

Quizplus · Accepted Answer

The four basic forms of cardinality are zero or one (0,1), one and only one (1,1), zero or many (0,M), and one or many (1,M). There is no "many and only many (M,M)" form in standard cardinality notation.

Four Basic Forms of Cardinality Are Possible: Zero or One