-- Place your SQL code here -- Place your SQL code here CREATE TABLE `priceDelta` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `itemTypeFk` smallint(5) unsigned NOT NULL, `minSize` int(10) unsigned DEFAULT NULL COMMENT 'Minimum item.size', `maxSize` int(10) unsigned DEFAULT NULL COMMENT 'Maximum item.size', `inkFk` varchar(3) DEFAULT NULL, `originFk` tinyint(2) unsigned DEFAULT NULL, `producerFk` mediumint(3) unsigned DEFAULT NULL, `fromDated` date DEFAULT NULL, `toDated` date DEFAULT NULL, `absIncreasing` decimal(10,3) DEFAULT NULL COMMENT 'Absolute increasing of final price', `ratIncreasing` int(11) DEFAULT NULL COMMENT 'Increasing ratio for the cost price', PRIMARY KEY (`id`), KEY `priceDelta_itemType_FK` (`itemTypeFk`), KEY `priceDelta_ink_FK` (`inkFk`), KEY `priceDelta_producer_FK` (`producerFk`), CONSTRAINT `priceDelta_ink_FK` FOREIGN KEY (`inkFk`) REFERENCES `ink` (`id`) ON UPDATE CASCADE, CONSTRAINT `priceDelta_itemType_FK` FOREIGN KEY (`itemTypeFk`) REFERENCES `itemType` (`id`) ON UPDATE CASCADE, CONSTRAINT `priceDelta_producer_FK` FOREIGN KEY (`producerFk`) REFERENCES `producer` (`id`) ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_unicode_ci COMMENT='Defines the increasing o decreasing for ranges of items';