Systems Analysis and Design05 marksEntity-relationship diagram purpose and examples
Why do we need ER diagram during information system development? Explain with example.
Why do we need ER diagram during information system development? Explain with example. [5]
An Entity-Relationship (ER) Diagram is a graphical/visual representation of the logical structure of a database. It shows entities, their attributes, and the relationships among them. It was introduced by Peter Chen in 1976. --- ER diagrams provide a clear visual blueprint of the database structu...