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DBMS Korth Edition 6 Exercise 7 Question 12 (Page No. 317-318)

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Figure shows a lattice structure of generalization and specialization
(attributes not shown). For entity sets A, B, and C, explain how attributes are inherited from the higher-level entity sets X and Y. Discuss how to handle a case where an attribute of X has the same name as some attribute
of Y.

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