code: public List<String> getBaseTables() throws SQLException {
  
  		List<String> baseTables = new ArrayList<String>();
  
  		List<ExtendedRelation> extendedRelations = queryForAll();
  		for (ExtendedRelation extendedRelation : extendedRelations) {
  			baseTables.add(extendedRelation.getBaseTableName());
  		}
  
  		return baseTables;
  	}
docs: Get all the base table names
  
  @return base table names
  @throws SQLException
  upon failure