public void updateNClob(String columnName, NClob nClob) throws SQLException {
      throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString());
   }
This method is used for updating SQL <code>NCLOB</code>  type that maps
to <code>java.sql.Types.NCLOB</code>
@param columnName name of the column
@param nClob the value for the column to be updated
@throws SQLException if a database access error occurs
@since 6.0
src/main/java/org/replicadb/rowset/StreamingRowSetImpl.java