CREATE TABLE IF NOT EXISTS vn.`budgetState` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `code` varchar(45) NOT NULL,
  `description` varchar(45) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `budgetState_UN` (`code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_unicode_ci;

ALTER TABLE vn.budget ADD IF NOT EXISTS budgetStateFk varchar(45) NULL;

ALTER TABLE vn.budget ADD CONSTRAINT budgetStateFk FOREIGN KEY IF NOT EXISTS 
(budgetStateFk) REFERENCES vn.budgetState(code) ON DELETE RESTRICT ON UPDATE CASCADE;