Relationship One to One
Create a relationship "Has One"⚓
The "One-to-One" relationship enables to add a tab representing an intance of entity ( that exists or not ) in order to create a link between them.It is thus possible to create an instance of the target entity which is linked to the primary entity.
If the target entity doesn't already exist, it is considered as a sub-entity.A sub-entity is not displayed in the left menu.
entity SourceEntity has one TargetEntity ( called NameOfTab )
(l')entité EntitéSource possède un(e) EntitéCible (appelé NomOnglet)
(l')entité EntitéSource a un(e) EntitéCible (called NomOnglet)