Consider the EER diagram in Figure for a car dealer Map the EER schema into a set
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Consider the EER diagram in Figure for a car dealer
Map the EER schema into a set of relations. For the VEHICLE to CARITRUCK/SUV generalization consider the four options presented in Section and show the relational schema design under each of those options.
Option 8A: Multiple relations-super-class and subclasses.
Option 8B: Multiple relations-subclass relations only.
Option 8C: Single relation with one type attribute.
Option 8D: Single relation with multiple types attributes.
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Related Book For
Modern Database Management
ISBN: 978-0133544619
12th edition
Authors: Jeff Hoffer, Ramesh Venkataraman, Heikki Topi
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