Hibernate manytoone not updating

When you traverse from the “Many” side to the “One” side, you only need to make reference to one object, which is why the instance variable. However, when you traverse from the “One” to the “Many” side, you will need to hold a reference to MANY objects. Many-to-One equals one reference, One-to-Many equals many references. The target object in a unidirectional One To Many is an independent object, so it should not rely on the foreign key in any way, i.e.the foreign key cannot be part of its primary key, nor generally have a not null constraint on it.

Also it allows you to apply cascading options to both directions.In general it is best to use a Join Table if you truly want to model a unidirectional One To Many on the database.A unidirectional one to many using a foreign key column in the owned entity is not that common and not really [email protected] public class Idea Profile { @Id @Generated Value private int idea Profile Id; private String name; Date date Concieved; @One To One @Join Column(name="status Code") private Status status; @One To Many(fetch=Fetch Type. ) Hibernate: insert into Pitch (date, idea Profile Id, notes) values (? EAGER, target Entity=Pitch.class, cascade=Cascade Type. ALL) @Join Column(name = "idea Profile Id") private [email protected] public class Pitch { @Id @Generated Value private int id; @Many To One @Join Column(name = "idea Profile Id") private Idea Profile idea Profile; private Date date; private String notes; ....getters and setters....

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