ALTER TABLE `inventoryChanges` CHANGE `steam` `steam` BIGINT(17) NULL DEFAULT '0', CHANGE `item` `item` VARCHAR(30) NULL DEFAULT '', CHANGE `delta` `delta` INT(11) NULL DEFAULT '0', CHANGE `x` `x` INT(11) NULL DEFAULT '0', CHANGE `y` `y` INT(11) NULL DEFAULT '0', CHANGE `z` `z` INT(11) NULL DEFAULT '0', CHANGE `session` `session` INT(11) NULL DEFAULT '0', CHANGE `timestamp` `timestamp` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP