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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.
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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.- Published on
Learn what First Normal Form (1NF) is, why it's important in DBMS, and how to convert tables to 1NF using real-life examples.- Published on
Learn the core components of ER models in DBMS—entities, attributes, and relationships. Discover ER diagram symbols and how to represent data structures visually and efficiently.- Published on
Learn what weak entities are in ER diagrams. Understand how they depend on strong entities, how partial keys work, and how to represent weak entities with clear examples.