Entity relationship (UPDM - MODAF aliases)
Creation
To create an Entity Relationship:
From an OV-7 Information Model or SV-11 Physical Schema , click the appropriate Entity Relationship button, click the source Entity Item, and then click the destination Entity Item. The following buttons are available:
Entity Relationship button, click the source Entity Item, and then click the destination Entity Item. The following buttons are available:• Composite Entity Relationship
• Shared Entity Relationship
• Entity Relationship
• Uni-Directional Entity Relationship
Appearance
When shown on an OV-7 Information Model or SV-11 Physical Schema, an Entity Relationship appears as follows:
Relationships
There are no relationships that are of significant importance to an Entity Relationship.
The following sections provide information about how an Entity Relationship is used in the model.
Create an Entity Relationship from
Create from an Entity Relationship
Only the UPDM elements that can be created from all UPDM elements (Alias, Definition, Information and Metadata).
Shown on these diagrams, tables and matrices
In addition to the AV-2 Integrated Dictionary and TV-1 Standards Profile, which can show all UPDM elements:
UPDM writeable properties
The following writeable properties are available on the Entity Relationship tab of an Entity Relationship element's Property Pages:
• URI