code: public String getTableName(final int column) throws SQLException {
      if (returnTableAlias) {
        return getColumnInformation(column).getTable();
      } else {
        return getColumnInformation(column).getOriginalTable();
      }
    }
docs: Gets the designated column's table name.
  
  @param column the first column is 1, the second is 2, ...
  @return table name or "" if not applicable
  @throws SQLException if a database access error occurs