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Understand the core components of the relational model in DBMS - relations, tuples, and attributes. Learn how data is structured in tables and why these elements matter in databases.
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Learn the key ER model concepts - degree of relationship, cardinality, and participation. Understand how entities connect in a database with simple examples and diagrams.- Published on
Learn what relationship attributes are in ER models, why they matter, and how to use them with clear examples like student enrollments and employee positions.- 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.- Published on
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.