text: -- Name: UpdateNameChain
  -- Schema: posda_phi
  -- Columns: []
  -- Args: ['name_chain', 'element_signature', 'vr']
  -- Tags: ['NotInteractive', 'Update', 'ElementDisposition']
  -- Description: Update Element Disposition
  -- For use in scripts
  -- Not really intended for interactive use
  -- 
  
  update element_signature set 
    name_chain = ?
  where
    element_signature = ? and
    vr = ?
  