code: @Override
      public boolean removeProperty(String name) throws Exception {
          String update = "DELETE FROM Property WHERE ID=:i";
  
          final boolean trace = TraceComponent.isAnyTracingEnabled();
          if (trace && tc.isEntryEnabled())
              Tr.entry(this, tc, "removeProperty", name, update);
  
          EntityManager em = getPersistenceServiceUnit().createEntityManager();
          try {
              Query query = em.createQuery(update);
              query.setParameter("i", name);
              boolean removed = query.executeUpdate() > 0;
  
              if (trace && tc.isEntryEnabled())
                  Tr.exit(this, tc, "removeProperty", removed);
              return removed;
          } finally {
              em.close();
          }
      }
docs: {@inheritDoc}