Martin ERD Marker
Martin ERD diagram, as its name implies, was developed by James Martin, who was a British Information Technology consultant and author. Martin ERD diagram derived from the "Information Engineering" techniques developed by Clive Finkelstein in 1981. In Martin ERD Diagram, sub-types are represented as rectangles inside the rectangle of the super-type.
The Martin ERD diagram requires many symbols, making the drawing more detailed. Edraw Martin ERD diagram software contains special shapes and settings for creating entity relationship diagrams based on the Martin ERD notation.
Martin ERD Software
Edraw provides with all the Martin ERD symbols that you need. It is very easy for you to drag-and-drop the shapes and create a Martin ERD just in minutes. It's designed with many automated tools and advanced functions through which you can easily design and customize your drawing. There are a variety of professional built-in themes for you to apply with just a single click. Adding photos and images is easy too. It's definitely the most powerful and user-friendly drawing tool.
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Martin ERD Symbols
Martin ERD diagrams include lots of special shapes including data entity, activity entity, data item, connection, event, square loop, and/or branch, top to bottom, side to top, one, many, one or more, zero or one, etc. Your diagrams will certainly look more professional with these shapes.