relationships may be treated as "parent - child", that is, one-to-many (1: Others may be treated as supertype / subtype (s/s).

relationships may be treated as "parent - child", that is, one-to-many (1:M). Others may be treated as supertype / subtype (s/s). Give an example of each from the web site Barnes and Nobles, and justify your classification of each example as either 1:M or s/s.150 words

relationships may be treated as "parent - child", that is, one-to-many (1:M). Others may betreated as supertype / subtype (s/s). Give an example of each from the web site Barnes and...