Refers to the quantity of an entity as a relationship to another entity.
Here is the situation. There are two type of ElectricConsumer ie CommercialConsumers & DomesticConsumers(Quaters) and one Quater is allocated …
c# entity-framework ef-code-first one-to-one ado.net-entity-data-modelI have two entities, Document and BodyElement, and trying to persist them with Hibernate 4.2. mtdt_t populates correctly, but the …
hibernate one-to-oneI've read a few places (see the second answer) that one-to-one relationships in Django models should almost always only be …
python django models one-to-oneI have an entity called 'Instructions'. Sometimes each Instructions has to keep track Instructions before and after it. For Example …
java jpa one-to-one bidirectional self-referenceI am mapping classes to existed MySQL tables generated by Drupal. I need to relate to tables(one-to-one), but I've …
python sqlalchemy one-to-oneI did a small application with more relationships. Now I want to delete details of my table how can I …
java hibernate jpa one-to-one many-to-oneMy model consists of a Parent and Child with a one-to-one relationship: class Parent(Base): __tablename__ = 'parent' id = Column(Integer, …
python orm sqlalchemy one-to-oneWorking with Django 1.11 and a postgreSQL Database (just switched from sqlite and didn't have this problem before) So I have 3 …
python django postgresql one-to-oneI have a problem when an Entity is mapped to another Entity which has a direct implementation on its subclasses. …
java hibernate jpa entitymanager one-to-one