CREATE TABLE `port` ( `id` int unsigned NOT NULL AUTO_INCREMENT, `name` varchar(128) NOT NULL COMMENT 'Name of port', `locode` char(5) DEFAULT NULL COMMENT 'UNECE locode', `created` datetime DEFAULT CURRENT_TIMESTAMP, `modified` datetime DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP, `deleted` bit(1) DEFAULT b'0', PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='Port as reference for shipcalls and berths'; -- Add default port to table INSERT INTO port (id, name, locode) VALUES (1, 'Bremen', 'DEBRE'); -- Adding new ref column to berth ALTER TABLE `bremen_calling_devel`.`berth` ADD COLUMN `port_id` INT UNSIGNED NOT NULL DEFAULT 1 AFTER `authority_id`; ALTER TABLE `bremen_calling_devel`.`berth` ALTER INDEX `FK_AUTHORITY_PART_idx` INVISIBLE; -- adding a foreign key berth.port_id -> port.id ALTER TABLE `bremen_calling_devel`.`berth` ADD INDEX `FK_PORT_PART_idx` (`port_id` ASC) VISIBLE; ALTER TABLE `bremen_calling_devel`.`berth` ADD CONSTRAINT `FK_PORT` FOREIGN KEY (`port_id`) REFERENCES `bremen_calling_devel`.`port` (`id`) ON DELETE RESTRICT ON UPDATE RESTRICT;