DROP TABLE IF EXISTS `product_discount`; CREATE TABLE `product_discount` ( `product_discount_id` INT UNSIGNED NOT NULL AUTO_INCREMENT, `product_id` INT UNSIGNED NOT NULL, `user_group_id` INT UNSIGNED NOT NULL, `quantity` int(4) NOT NULL DEFAULT '0', `priority` int NOT NULL DEFAULT '1', `price` decimal(15,4) NOT NULL DEFAULT '0.0000', `from_date` date, `to_date` date, PRIMARY KEY (`product_discount_id`), KEY `product_id` (`product_id`) ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4;