To access the Model Editor, next to a model in the Models list, click Edit.

The Model Editor allows you to modify a model's entities, attributes and relations. An asterisk (*) by the model name in edit mode indicates that the model has been modified. Select an entity from the Entities list on the left to edit it.

Modifying an Entity: Learn which properties you can modify on each entity.
Adding a New Logical Table (Entity): Learn to add new logical tables and to base new tables on existing entities.
Modifying an Attribute: Learn which properties you can modify on an entity's attributes.
Adding a New Logical Column (Attribute): Learn to add new logical columns and to base new columns on existing attributes.
Modifying a Relation: Learn which properties you can modify on an entity's relations.
Adding a New Logical Relation: Learn to add new logical relations and to base new relations on existing ones.
Deleting an Item: Learn to delete any entity, attribute, or relation.
Saving a Modified Model: Learn to save a working draft of a model and to publish model changes.
Entering Modification Comments: Learn to add comments that help you to identify versions in the model history.
Managing Model Breaking Changes: Learn about changes that may break reports, and how ActiveReports 8 Server handles them.

Model Editor Toolbar Buttons

Save & Publish validates and, if no errors are found, saves modifications as a new version of the model.
Save Draft saves modifications as a local draft copy available only to the user making the modifications.
(Use this button to save a draft of a model that does not pass validation.)
Validate checks modified elements for errors.
Properties displays model properties such as the model name and connection string information.