public void updateNClob(String columnName, NClob nClob) throws SQLException {
        throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("jdbcrowsetimpl.featnotsupp").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/sun/rowset/JdbcRowSetImpl.java