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Domains in the Physical Model

A domain includes both logical and physical properties. When you work in a physical model, a domain can include any or all the properties that you can assign to an individual column, including physical name, comment, data type, null option, default value, validation rule, and physical user-defined properties. For servers that provide native application development tools, you can also include server-side column display properties such as the column label.

The following pre-defined domains are available in every model:

In a physical model, the data type for Blob, Datetime, Number, and String are automatically assigned based on the default data types set for the target server selected. You can override the default data type and any of the other properties (except names and parent domains) for these domains in the Domain Editor.

More information:

Add a Domain in the Physical Edit Mode

Specify That a Domain Appears in the Physical Model Only

Change a Physical Domain Name

Add a User-Defined Data Type in a Physical Model

Domain Inheritance and Overrides

Specify a Domain Comment in the Physical Model

Specify a Data Source For a Domain

Specify a Validation Rule and Default Value for a Domain in the Physical Model