Model Parts, Diagrams, Dictionary Items, and Properties > Properties > Delete action (property)
  
Delete action (property)
For automation interface information about the Delete Action property (On Delete Action through the automation interface), see the automation interface topic for a Relationship in the Related Topics.
This property specifies how referential integrity is maintained when a row is deleted from a related table:
Restrict - The delete action is prevented.
Cascade - Related rows in other tables are deleted.
Set to NULL - Related rows in other tables are set to NULL.
None - Related rows in other tables are not changed.
By default, the None option is selected.
This property is set on the Options tab of a Relationship's Property Pages.
The following section provides information about the items and diagrams for which Delete Action is a property. For more information about an item or diagram, click it.
Is property of
Relationship