Posted By

alexwilliams on 01/01/07

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mysql
database

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Last Edited at 01/01/07 11:07am

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HABTM relationship MySQL tables for use in Rails

/ Published in: SQL

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DROP TABLE IF EXISTS `products_tags`;
DROP TABLE IF EXISTS `tags`;
DROP TABLE IF EXISTS `products`;
 
CREATE TABLE `products` (
  `id` INT(11) NOT NULL AUTO_INCREMENT,
  `title` VARCHAR(100) NOT NULL,
  `price` DECIMAL(10,2) NOT NULL,
  PRIMARY KEY  (`id`)
)
 
CREATE TABLE `tags` (
  `id` INT(11) NOT NULL AUTO_INCREMENT,
  `title` VARCHAR(64) NOT NULL,
  PRIMARY KEY  (`id`)
)
 
CREATE TABLE `products_tags` (
  `product_id` INT(11) NOT NULL DEFAULT '0',
  `tag_id` INT(11) NOT NULL DEFAULT '0',
  PRIMARY KEY  (`product_id`,`tag_id`)
)