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Title: Which of the following is not true about representing subtypes in a relational database design? Post by: jonnyjon on Feb 11, 2019 Which of the following is not true about representing subtypes in a relational database design?
• One table is created for the supertype and one for each subtype. • All attributes of the supertype are added to the subtype relations. • The key of the supertype is made the key of the subtypes. • An instance of the supertype may be related to one instance each of several subtypes. Title: Which of the following is not true about representing subtypes in a relational database design? Post by: zachcarytcris on Feb 11, 2019 Content hidden
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