Suppose you are given a relation R(A, B, C, D, E) and functional dependency FD: (A...
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Suppose you are given a relation R(A, B, C, D, E) and functional dependency FD: (A →B, BC, CD, DA) Check Whether it is in 2NF or 3NF or not. Define functional dependency. Describe the following functional dependency with appropriate example. i. ii. iii. iv. Trivial Functional Dependency Non-Trivial Functional Dependency Multivalued Dependency Transitive Dependency Suppose you are given a relation R(A, B, C, D, E) and functional dependency FD: (A →B, BC, CD, DA) Check Whether it is in 2NF or 3NF or not. Define functional dependency. Describe the following functional dependency with appropriate example. i. ii. iii. iv. Trivial Functional Dependency Non-Trivial Functional Dependency Multivalued Dependency Transitive Dependency
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Step 1 Check for Partial Dependencies 2NF In 2NF we need to ensure that there are no partial dependencies which means that no nonprime attribute attributes not part of any candidate key is partially d... View the full answer
Related Book For
Fundamentals Of Database Systems
ISBN: 9780133970777
7th Edition
Authors: Ramez Elmasri, Shamkant Navathe
Posted Date:
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