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Learn what functional dependency is in DBMS with simple examples. Understand how it works, why it's important, and how it helps reduce redundancy and improve data consistency in relational databases.
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Learn Armstrong's Axioms (Reflexivity, Augmentation, and Transitivity) used to derive all functional dependencies in a relational database. See how these rules help with normalization using simple examples.- Published on
Learn how to find the closure of a set of attributes using Armstrong’s Axioms in DBMS. Understand step-by-step examples for computing closures and verifying functional dependencies.- Published on
Learn what attribute closure is in DBMS, how to calculate it using functional dependencies, and why it's critical for identifying candidate keys and normalization.