Column and Domain Model Options

To set model options for columns and domains, select Tools > Model Options, and select the Column & Domain sub-category in the left-hand Category pane.

You can set the following options on this tab:

Option	Function
Enforce non-divergence	Specifies that columns attached to a domain must remain synchronized with the selected properties (see Controlling Non-Divergence from a Domain).
Default data type	Specifies the default data type to be applied to columns and domains if none is selected for them.
Column / Domain: Mandatory by default	Specifies that columns or domains are created, by default, as mandatory and that they may must, therefore contain non-null values.