A data model is a set of tables from different data sources connected to each other using links determined in the system. A data model uses visual elements: table circles and SQL queries with links on the working area, as well as a model preview table.
To create a data model:
In the object navigator:
Execute one of the operations:
Click the Create main menu button.
Select the Create item in the context menu of the list of objects.
Select the Data Model item on the New Object panel that opens.
In the Information Panel tool select the 
Add Model > Create New item in the drop-down menu of the 
Actions button in the upper part of the side panel.
NOTE. Click the Create Data Model button in the central part of the side panel if no data source was added.
After a data model is created, build it.
The data model user interface:
Tables on the source panel, objects on the working area and corresponding fields in the preview table are marked with the same colors.
Before creating a data model set up the working area if required.
The following operations are available when working with a data model:
See also:
Working Area Features | Building Data Model | Getting Started with the Information Panel Tool
User interface elements
Edit Model item in the drop-down menu of the 
Back button in the main menu to save data model changes confirm your actions in the information dialog box.
Delete item in the data model's context menu.