CREATE TABLE IF NOT EXISTS `#__associations` (
  `id` VARCHAR(50) NOT NULL COMMENT 'A reference to the associated item.',
  `context` VARCHAR(50) NOT NULL COMMENT 'The context of the associated item.',
  `key` CHAR(32) NOT NULL COMMENT 'The key for the association computed from an md5 on associated ids.',
  PRIMARY KEY `idx_context_id` (`context`, `id`),
  INDEX `idx_key` (`key`)
) DEFAULT CHARSET=utf8;