Add the following method to Statement:
    /**
    * Returns a {@code String} representing a National Character Set Literal
    * enclosed in single quotes and prefixed with a upper case letter N.
    * Any occurrence of a single quote within the string will be replaced
    * by two single quotes.
    *
    * <blockquote>
    * <table border = 1 cellspacing=0 cellpadding=5 >
    * <caption>Examples of the conversion:</caption>
    * <tr>
    * <th>Value</th>
    * <th>Result</th>
    * </tr>
    * <tr> <td align='center'>Hello</td> <td align='center'>N'Hello'</td> </tr>
    * <tr> <td align='center'>G'Day</td> <td align='center'>N'G''Day'</td> </tr>
    * <tr> <td align='center'>'G''Day'</td>
    * <td align='center'>N'''G''''Day'''</td> </tr>
    * <tr> <td align='center'>I'''M</td> <td align='center'>N'I''''''M'</td>
    * </tr>
    *
    * </table>
    * </blockquote>
    * @implNote
    * JDBC driver implementations may need to provide their own implementation
    * of this method in order to meet the requirements of the underlying
    * datasource. An implementation of enquoteNCharLiteral may accept a different
    * set of characters than that accepted by the same driver’s implementation of
    * enquoteLiteral.
    * @param val a character string
    * @return A string enclosed by single quotes with every single quote
    * converted to two single quotes and prefixed by ’N'
    * @throws NullPointerException if val is {@code null}
    * @throws SQLException if a database access error occurs
    */
    default String enquoteNCharLiteral(String val) throws SQLException {
        return "N'" + val.replace("'", "''") + "'";
   }