USE art_relations;; ALTER TABLE `track_artist_producer` DROP FOREIGN KEY `FK_track_artist_producer_track_artist`;; ALTER TABLE `track_artist_producer` DROP FOREIGN KEY `FK_track_artist_producer_country`;; DROP TABLE `art_relations`.`track_artist_producer`;; CREATE TABLE `track_producer_nationality`( `id` int(11) unsigned NOT NULL AUTO_INCREMENT COMMENT 'Primary key', `track_id` int(11) unsigned NOT NULL COMMENT 'Foreign key to the track table', `nationality_country_id` smallint(5) unsigned NOT NULL COMMENT 'Foreign key to the country table', `last_updated` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'Date of last update', PRIMARY KEY (`id`), UNIQUE KEY `FK_track_id` (`track_id`), CONSTRAINT `FK_track_producer_nationality_track` FOREIGN KEY (`track_id`) REFERENCES `track` (`id`), CONSTRAINT `FK_track_producer_nationality_country` FOREIGN KEY (`nationality_country_id`) REFERENCES `country` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;; USE art_relations;; ALTER TABLE `track_producer_nationality` DROP FOREIGN KEY `FK_track_producer_nationality_track`;; ALTER TABLE `track_producer_nationality` DROP FOREIGN KEY `FK_track_producer_nationality_country`;; DROP TABLE `art_relations`.`track_producer_nationality`;; CREATE TABLE `track_artist_producer` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT COMMENT 'Primary key', `track_artist_id` int(11) unsigned NOT NULL COMMENT 'Foreign key to the track_artist table', `country_id` smallint(5) unsigned NOT NULL COMMENT 'Foreign key to the country table', `last_updated` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'Date of last update', PRIMARY KEY (`id`), UNIQUE KEY `FK_track_artist` (`track_artist_id`), CONSTRAINT `FK_track_artist_producer_track_artist` FOREIGN KEY (`track_artist_id`) REFERENCES `track_artist` (`id`), CONSTRAINT `FK_track_artist_producer_country` FOREIGN KEY (`country_id`) REFERENCES `country` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;;