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Decomposition 1 Undesirable Properties of Bad Design Redundancy, resulting in waste of space and complicated updates (inconsistencies.) Inability to represent certain information…

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Chapter 7: Relational Database Design ©Silberschatz, Korth and Sudarshan 7.* Database System Concepts Chapter 7: Relational Database Design First Normal Form Pitfalls in…

Documents Midterm 3 Revision and ID3 Prof. Sin-Min Lee. Armstrong’s Axioms We can find F+ by applying...

Midterm 3 Revision and ID3 Prof. Sin-Min Lee Armstrong’s Axioms We can find F+ by applying Armstrong’s Axioms: if   , then    (reflexivity) if  …