How to map between logical relationship in EJB and physical schema ?

Hi, I have EJB2.0 beans that uses 2.0, 1-n relationship to update two tables. In the database, I have physical schema that defines 1-n relationship between these two tables. >From the EJB code, I could do update to this logical relationship using Collection as per EJB2.0 spec. But it looks like

How to map logical relationship into physical schema ?

Hi, I have EJB2.0 beans that uses 2.0, 1-n relationship to update two tables. In the database, I have physical schema that defines 1-n relationship between these two tables. >From the EJB code, I could do update to this logical relationship using Collection as per EJB2.0 spec. But it looks like