Använd en många-till-många-tabell för att länka en TAG
spela in till en IMAGE
spela in:
BILD
DROP TABLE IF EXISTS `example`.`image`;
CREATE TABLE `example`.`image` (
`image_id` int(10) unsigned NOT NULL auto_increment,
PRIMARY KEY (`image_id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
TAG
DROP TABLE IF EXISTS `example`.`tag`;
CREATE TABLE `example`.`tag` (
`tag_id` int(10) unsigned NOT NULL auto_increment,
`description` varchar(45) NOT NULL default '',
PRIMARY KEY (`tag_id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
IMAGE_TAG_MAP
DROP TABLE IF EXISTS `example`.`image_tag_map`;
CREATE TABLE `example`.`image_tag_map` (
`image_id` int(10) unsigned NOT NULL default '0',
`tag_id` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`image_id`,`tag_id`),
KEY `tag_fk` (`tag_id`),
CONSTRAINT `image_fk` FOREIGN KEY (`image_id`) REFERENCES `image` (`image_id`),
CONSTRAINT `tag_fk` FOREIGN KEY (`tag_id`) REFERENCES `tag` (`tag_id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;