You can create custom ER diagrams that can contain any tables, relations and notes.
However, even custom diagrams may contain only real existing database entities (tables).git
You can create a custom diagram in one of the ways:github
On the DBeaver main menu, click File -> New. Then in the new diagram wizard, click DBeaver -> ER Diagram, and then Next:markdown
In the Project Explorer view, right-click the ER Diagrams node and then click Create New ER Diagram on the context menu.app
In both cases, in the Diagram Create Wizard, specify the diagram name and (optionally) choose initial diagram contents (set of tables):ide
The new diagram appears in a separate editor. Now you can drag-n-drop any number of tables onto it. You can add tables from different connections and even different database type (for example, combine Oracle and MySQL tables in one and the same diagram).flex
You can also add notes and custom relations (associations) using the ERD palette on the left side of diagram tab, see details in ER Diagrams article. For example, to create a diagram similar to the one shown at the beginning of this article, you need to:ui
Undo/redo functions are fully supported in diagram editing.this