-- Place your SQL code here
ALTER TABLE `vn`.`buy` 
CHANGE COLUMN `buyingValue` `buyingValue` DECIMAL(10,3) NOT NULL DEFAULT 0.000 ,
CHANGE COLUMN `freightValue` `freightValue` DECIMAL(10,3) NOT NULL DEFAULT 0.000 ,
CHANGE COLUMN `comissionValue` `comissionValue` DECIMAL(10,3) NOT NULL DEFAULT 0.000 ,
CHANGE COLUMN `packageValue` `packageValue` DECIMAL(10,3) NOT NULL DEFAULT 0.000 ;