How to add ER Data Type

When you set Data Type to ER Entity’s attributes in Astah, you can choose it from the [Data Type] list in the [Base] tab of Attribute’s property view.

If you cannot find the one you want, you can always add from [ER Data Type] menu. Here is an example of adding one – [VARCHAR2].

■ Step

1. Launch Astah and go to [Tool] – [ER Diagram] – [Set ER Data Type]

 


 

 

 

 

 

2. Click [Add] on the [Set ER Diagram Data Type] dialog

 


 

3. Enter [VARCHAR2] for Data Type Name and the click [OK]. You can set property for the length and precision of data too.

 


 

 

 

 

 

 

4. That’s it. Now [VARCHAR2] is in the list!

 

Free Plug-ins you can use for ER diagrams in Astah

• DB Reverse Plugin

Easiest way to import database tables into Astah.

• Excel- ER Model Import Plug-in

Create Entity models by importing a list of ER Entities on the Excel spreadsheet.

• ER to HTML Plug-in

Export ER Models to HTML files with one click.