ERD Terminologies are the terms such as entity , attributes their types and Keys that are responsible to create relationships between entities. Database Management Systems…
Dr. Codd’s Rules for Relational Database are the bases of every true relational database . Dr. Codd was a mathematician who proposed a new model…
Redundancy in DBMS is when we store same information in different parts of the database , while this is not possible to remove Redundancy completely , it should be avoided whenever we can.