Identifier Migration Along Relationships

Migrations are made instantaneously in an LDM or during generation if you generate a PDM from a CDM.

Relationship type

Migration

Dependent one-to-many

Foreign identifiers become attributes of the primary identifier of the child entity.

Many-to-many

No attributes are migrated.

Dominant one-to-one

Primary identifier migrate from the dominant attribute.

Mandatory one-to-many

If the child to parent role is mandatory, migrated attributes are mandatory.