.ERD file extension

This is the basic program to work with .ERD extension

ER Assistant

ER Assistant ERD Document

The ER-Assistant application allows the user to create, edit, and print entity relationship diagrams. Other features include:Entities,Attributes with SQL:1999 data types;Relationships with cardinality and participation constraints;Design justifications and diagram notes;Individual object comments for entities, attributes, and relationships... (more)

The program works with the following extensions: erd