View Design Entity Relationship Diagram To Relational Model Example Download Zip Pics. Not the answer you're looking for? It is well suited to data modelling for use with databases because it is fairly abstract and is easy to discuss and explain.
Er diagrams can be mapped to relational schema, that is, it is possible to create relational schema using er diagram.
An erd developed during the conceptual data modeling phase of the database development process is generally transformed and enhanced through normalization principles during the logical database. We cannot import all the er constraints into relational. There are two reasons to create a database diagram. An erd developed during the conceptual data modeling phase of the database development process is generally transformed and enhanced through normalization principles during the logical database.