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In an ER diagram, if a lower - level entity set in a specialization / generalization is drawn as an empty rectangular, then it means
In an ER diagram, if a lowerlevel entity set in a specializationgeneralization is drawn as an empty rectangular, then it means that this entity set does not have any attributes and thus the ER diagram is wrongincomplete: True or False
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Graph Databases In Action
Authors: Dave Bechberger, Josh Perryman
1st Edition
1617296376, 978-1617296376
