executeQuery($sql); $sql = <<<'SQL' Update Candidates set gender = 'Other' WHERE gender = 'Divers'; SQL; $this->executeQuery($sql); $sql = <<<'SQL' ALTER TABLE Employees modify column `gender` varchar(15) NULL; SQL; $this->executeQuery($sql); $sql = <<<'SQL' Update Employees set gender = 'Other' WHERE gender = 'Divers'; SQL; $this->executeQuery($sql); $sql = <<<'SQL' ALTER TABLE ArchivedEmployees modify column `gender` varchar(15) NULL; SQL; $this->executeQuery($sql); $sql = <<<'SQL' Update ArchivedEmployees set gender = 'Other' WHERE gender = 'Divers'; SQL; return $this->executeQuery($sql); } public function down(){ return true; } }