code: public int deleteCascade(Collection<SpatialReferenceSystem> srsCollection)
  			throws SQLException {
  		int count = 0;
  		if (srsCollection != null) {
  			for (SpatialReferenceSystem srs : srsCollection) {
  				count += deleteCascade(srs);
  			}
  		}
  		return count;
  	}
docs: Delete the collection of Spatial Reference Systems, cascading
  
  @param srsCollection
  spatial reference system collection
  @return deleted count
  @throws SQLException
  upon deletion failure