Attributes (CDM/LDM)

In a CDM, attributes are data items attached to an entity, association, or inheritance. In an LDM, there are no data items, and so attributes exist in entities without a conceptual origin.

When you generate a PDM from a CDM or LDM, entity attributes are generated as table columns.

• Creating an Attribute
  You can create an entity attribute from the Attributes tab in the property sheet of an entity, association, or inheritance.
• Attribute Properties
  To view or edit an attribute's properties, double-click its Browser or list entry. The property sheet tabs and fields listed here are those available by default, before any customization of the interface by you or an administrator.
• Deleting Attributes (CDM)
  When you delete an attribute, model options determine whether or not the corresponding data items are also deleted: