* Although it is intended for user-defined and Ref parameters,
     * this method may be used to set a null parameter of any JDBC type.
     * If the parameter does not have a user-defined or REF type, the given
     * typeName is ignored.
     *
     *
     * @param parameterName the name of the parameter
     * @param sqlType a value from <code>java.sql.Types</code>
     * @param typeName the fully-qualified name of an SQL user-defined type;
     *        ignored if the parameter is not a user-defined type or
     *        SQL <code>REF</code> value
     * @exception SQLException if a database access error occurs or
     * this method is called on a closed <code>CallableStatement</code>
     * @exception SQLFeatureNotSupportedException if the JDBC driver does not support
     * this method
     * @since 1.4
     */
    void setNull (String parameterName, int sqlType, String typeName)
        throws SQLException;

  /**
   * Sets the designated parameter in this <code>RowSet</code> object's command
   * to the given Java <code>boolean</code> value. The driver converts this to
   * an SQL <code>BIT</code> value before sending it to the database.
   *
   * @param parameterIndex the first parameter is 1, the second is 2, ...
   * @param x the parameter value
   * @exception SQLException if a database access error occurs
   */
  void setBoolean(int parameterIndex, boolean x) throws SQLException;

  /**
     * Sets the designated parameter to the given Java <code>boolean</code> value.
     * The driver converts this
     * to an SQL <code>BIT</code> or <code>BOOLEAN</code> value when it sends it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @exception SQLException if a database access error occurs or
     * this method is called on a closed <code>CallableStatement</code>
     * @see #getBoolean
     * @exception SQLFeatureNotSupportedException if the JDBC driver does not support
     * this method
     * @since 1.4
     */
    void setBoolean(String parameterName, boolean x) throws SQLException;

  /**
   * Sets the designated parameter in this <code>RowSet</code> object's command
   * to the given Java <code>byte</code> value. The driver converts this to
   * an SQL <code>TINYINT</code> value before sending it to the database.
   *
   * @param parameterIndex the first parameter is 1, the second is 2, ...
   * @param x the parameter value
   * @exception SQLException if a database access error occurs
   */
  void setByte(int parameterIndex, byte x) throws SQLException;
 
  /**
     * Sets the designated parameter to the given Java <code>byte</code> value.
     * The driver converts this
     * to an SQL <code>TINYINT</code> value when it sends it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @exception SQLException if a database access error occurs or
     * this method is called on a closed <code>CallableStatement</code>
     * @exception SQLFeatureNotSupportedException if the JDBC driver does not support
     * this method
     * @see #getByte
     * @since 1.4
     */
    void setByte(String parameterName, byte x) throws SQLException;
 
  /**
   * Sets the designated parameter in this <code>RowSet</code> object's command
   * to the given Java <code>short</code> value. The driver converts this to
   * an SQL <code>SMALLINT</code> value before sending it to the database.
   *
   * @param parameterIndex the first parameter is 1, the second is 2, ...
   * @param x the parameter value
   * @exception SQLException if a database access error occurs
   */
  void setShort(int parameterIndex, short x) throws SQLException;

  /**
     * Sets the designated parameter to the given Java <code>short</code> value.
     * The driver converts this
     * to an SQL <code>SMALLINT</code> value when it sends it to the database.
     *
     * @param parameterName the name of the parameter
     * @param x the parameter value
     * @exception SQLException if a database access error occurs or
     * this method is called on a closed <code>CallableStatement</code>
     * @exception SQLFeatureNotSupportedException if the JDBC driver does not support
     * this method
     * @see #getShort
     * @since 1.4
     */
    void setShort(String parameterName, short x) throws SQLException;