"abronson" wrote : I am not sure what you mean by bulk operations.  
  | 
  | The cascade does not work if I do either of these:
  | 
  | Query query = em.createQuery("delete from Parent where lastUpdated < 
:deletePrior").setParameter("deletePrior", deletePrior); 
  | int updatedEntities = query.executeUpdate(); 
  | 
  | or 
  | 
  | if I do 
  | 
  | Query query = em.createQuery("from Parent where lastUpdated < 
:deletePrior").setParameter("deletePrior", deletePrior);
  | List list = query.list();
  | 
  | loop
  | {
  | 
  |   em.remove( Parent Obj ); 
  | }
  | 
  | I get: 
  | cannot update ("SYSTEM"."CHILD"."LOCATIONID") to NULL; 
  | 
  | 
  | 
  | allan

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