Use Armstrong’s axioms to prove the soundness of the pseudotransitivity rule.
Answer to relevant QuestionsExplain how functional dependencies can be used to indicate the following:• A one-to-one relationship set exists between entity sets account and customer.• A many-to-one relationship set exists between entity sets ...Show that the following decomposition of the schema R of Exercise 7.2 is not loss less-join decomposition:(A, B, C)(C, D, E).In designing a relational database, why might we choose a non-BCNF design?For each of the following application areas, explain why a relational database system would be inadequate. List all specific system components that would need to be modified.a. Computer-aided designb. Multimedia databasesExplain, using an example, how to represent a ternary relationship in an objectoriented data model such as ODMG C++.
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