1. Is it necessary to keep relationships in DB to map pojos as one-2-one or one-2-many mappings stackoverflow.comI have a doubt, suppose i have 2 pojos, lets assume i want to have one-2-one or one-2-many relationship between them. is it necessary to define the foreign key reference in ... |
2. How to build a has-a-relationship connection between a Pojo class and an abstract class using Hibernate Annotations stackoverflow.comI have a class named Driver.Java, another class named Truck.Java and an abstract class named Vehicle.Java. A driver can drive several vehicles, truck, bus etc. I want to simulate this situation. ... |
3. pojo code for managing many-to-many relationships forum.hibernate.orgMy example is also using two 1-many relationships. The need we have, which I think invalidates your offered approach, is that the table relationship needs to be bi-directional (sometimes we also want to look at all users having a priv, or want to add/remove a user to a specific a priv group). Cascading a deletion of the association from either direction ... |