Refers to the quantity of an entity as a relationship to another entity.
I have the following: class User < ActiveRecord::Base has_one :car, :class_name => 'Car', :foreign_key => 'user_…
ruby-on-rails ruby one-to-oneI have a user table and a user_detail table with one to one mapping user_detail table have a …
java database hibernate one-to-oneI have two Entities , with the following JPA annotations : @Entity @Table(name = "Owner") public class Owner implements Serializable { @Id @GeneratedValue(…
hibernate orm jpa one-to-oneI have 2 tables: Order [OrderId(PK), OrderShipmentCode, ...] and Shipment[ShipmentId(PK), ShipmentCode, ...]. In Order class, I declared shipment field as …
java hibernate jpa lazy-loading one-to-oneI have two simple tables "items" and "orders". For the sake of simplicity lets assume that one item can only …
mysql database database-design entity-relationship one-to-oneI have 2 classes: User and UserPicture which have a 1:1 relationship. public class User { @Id @GeneratedValue(strategy=GenerationType.AUTO) @Column(name="…
hibernate one-to-oneI have looked up and down, tried all the different and various ways of being able to store a foreign …
c# asp.net database entity-framework one-to-oneI'm having a little difficulty getting my head around relationships in Django models. Could someone explain what the difference is …
python django many-to-many foreign-key-relationship one-to-oneI belive that the answer to my problem is simple, but I can't find it anywhere. Here is my predicament. …
django admin models one-to-oneI have an existing database with the table Transactions in it. I have added a new table called TransactionSequence where …
nhibernate one-to-one