addSql('ALTER TABLE individual_data DROP email, DROP intro_question, DROP intro_answer'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE individual_data ADD email VARCHAR(255) CHARACTER SET utf8mb4 NOT NULL COLLATE `utf8mb4_unicode_ci`, ADD intro_question VARCHAR(255) CHARACTER SET utf8mb4 NOT NULL COLLATE `utf8mb4_unicode_ci`, ADD intro_answer VARCHAR(255) CHARACTER SET utf8mb4 DEFAULT NULL COLLATE `utf8mb4_unicode_ci`'); } }