Give an example for which the maximum cardinality must be an exact number. Give examples of M-M, M-O, O-M, and O-O relationships (other than those presented in this chapter). Use the circle and hash...

Give an example for which the maximum cardinality must be an exact number.

Give examples of M-M, M-O, O-M, and O-O relationships (other than those presented

in this chapter). Use the circle and hash mark notation on the diamond portrayal of

relationships.