UPDATE `ORDERS` SET `ORDER_AMNT` = length(replace(`SLIP_COMMENT` , ',', ',,')) - length(`SLIP_COMMENT`) + 1;
SELECT `ORDER_NO` AS `OD_NO`, `SLIP_COMMENT` AS ` COMMENT`, `ORDER_AMNT` AS `CNT` FROM `ORDERS` ORDER BY `ORDER_AMNT` DESC, `OD_NO` DESC;