Interview Q&A / SQL & DBMS
SQL & DBMS interview questions
Joins, keys, normalisation, indexes and transactions for placement and backend interviews.
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- What is a functional dependency in DBMS?
A functional dependency X -> Y means that if two rows have the same X value they must have the same Y value, so X determines Y. Normalization is built on finding and organizing these dependencies.
BeginnerQuick answer1 min read