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 using the following tools, available on the Attributes tab in the property sheet of an entity, association, or inheritance:
• Attribute Properties
  You can modify an object's properties from its property sheet. To open an attribute property sheet, double-click its Browser entry in the Attributes folder within an entity, association, or inheritance.
• Deleting Attributes (CDM)
  When you delete an attribute, model options determine whether or not the corresponding data items are also deleted:

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Created October 7, 2009. Send feedback on this help topic to Sybase Technical Publications: pubs@sybase.com