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…

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