


In this page you will learn how to draw entity, how to add column and how to create relationship between entities. Database designer uses ERD to model physical structure of a relational database, while business analyst uses ERD to model the data that is logically required or produced by processes. How to generate ORM code from Class DiagramĮRD, short form for Entity Relationship diagram is a kind of diagram for presenting the properties as well as the relationships between data or participants.What is Object Relational Mapping (ORM)?.Copying SQL statements from entities in ERD.How to reverse engineer ERD from database.

