what data redundancy is and what it does.
Part 4.14 Lossless Join Decomposition in DBMS in HINDI non additive join decomposition property
Normalized and Denormalized Databases | SQL
relational model in dbms
Lec-10: Foreign Key in DBMS | Full Concept with examples | DBMS in Hindi
DBMS: How to draw ER diagram & Relational schema eg. company database