Part 2.4 Relationship in a ER Diagram in DBMS in hindi name degree Cartesian ratio

Part 7.1 Query language in dbms in hindi relational algebra calculus structured query language

Types of Keys in Relational Model (Candidate, Super, Primary, Alternate and Foreign) - GeeksforGeeks

Part 3.4 Armstrong's Axioms in DBMS in HINDI | Armstrong rules database | Closure of Attributes

Part 3.3 Practice Problems on Functional Dependency in DBMS with example in HINDI | example