Entity-Relationship Diagrams (ERD) Entity-Relationship Diagrams (ERDs) are fundamental tools in database design, offering a clear and graphical way to represent the logical structure of a database. In this detailed guide, we will cover all aspects of ERDs, focusing on …
Removing Redundant Attributes in Entity Sets One of the critical steps in database design using the Entity-Relationship (E-R) model is ensuring the elimination of redundant attributes in entity sets. This process helps to optimize the design, avoid data duplication, …
Relationship Sets in E-R Model The Entity-Relationship (E-R) Model is a cornerstone in database design, helping to define how entities relate to one another. For aspirants of GATE, UGC NET, NIELIT, ISRO, and other competitive exams, understanding relationship sets …
History of Database Systems | DBMS Notes for Competitive Exams History of Database Systems Databases have revolutionized the way we store and process information. From the early days of magnetic tapes to the emergence of cloud-based distributed databases, the journey …