In Ruby on Rails, you can freely create database schema using code. Since the relation between tables can also be described by code, it can be built in almost without consciousness of the database. However, there are times when ER diagrams are needed in some cases.
SchemaRD wants to use it when you do. It reads the Ruby on Rails schema file and expands it to ER diagram.
How to use SchemaRD
It is the first display. The table is just side by side.
You can change the placement of the table with the mouse. I will remember even more properly.
If you create a relation file, the connection between the tables will be visualized.
With SchemaRD you can now visualize the current table structure. It also supports i18n and can be displayed in Japanese. System development is done by Ruby on Rails, and it seems to be useful when you need to check ER diagram at any time.
SchemaRD is Ruby's open source software (MIT License).
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