Relationship Type

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The relationship type defines the cascading rules for a relationship.

The following table describes the possible relationship types.

Relationship type Description
System A parental relationship type automatically defined by Microsoft CRM for system entity relationships. You cannot modify this type of relationship.
Parental All operations are cascade all:
  • If the entity is deleted, its related entities will also be deleted.
  • If the entity is assigned to another user, its related entities will also be assigned to the other user.
  • If the entity is shared with another user, its related entities will also be shared with the other user.
Referential All operations are cascade none:
  • If the entity is deleted, only the link from its related entities is deleted.
  • If the entity is assigned to another user, its related entities are not affected.
  • If the entity is shared with another user, its related entities are not affected.
Referential, Restricted The entity can only be deleted if it does not have any related entities. Otherwise, this relationship type is the same as referential.
Configurable Cascading Cascading rules are selected for each action except Merge and Delete. Cascading rules are selected for each action.

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