The MySQL Table Editor is a used to create and modify tables. You can add or modify the columns or indexes of a table, change the engine, add foreign keys, or alter the table name.
To access the MySQL Table Editor, right-click on a table name in the Navigator area of the sidebar with the Schemas secondary tab selected and click ALTER TABLE. This action opens a new secondary tab within the main SQL Editor window. You can also access the MySQL Table Editor from an EER Diagram by double-clicking on a table object.