Reverse DDL to ERD models
A DDL (Data Definition Language) file is a computer language for defining data. Now, you can also use it to generate ERD models like entities, views and relationships by reversing the DDL.
Reversing DDL
Here shows an extraction of the DDL file for MySQL database that we are going to reverse.

To reverse DDL, select menu
Tools >
Reverse DDL....

In the
Reverse DDL dialog box, type the path of DDL file in
File path, and select the target database of this DDL in the
Database list.

After reversing, the models like entities, columns and relationships are generated according to the DDL.

You can select interested models in Model pane, right-click on them and select
Form ER Diagram from the popup menu to generate an ERD.

Resource