anchor.diff:    UNIQUE KEY `id` (`id`),
     KEY `FK_jobhistory_user` (`user`),
     KEY `FK_jobhistory_study` (`study`),
  -  CONSTRAINT `FK_jobhistory_user` FOREIGN KEY (`user`) REFERENCES `USERS` (`EMAIL`),
  +  CONSTRAINT `FK_jobhistory_user` FOREIGN KEY (`user`) REFERENCES `USERS` (`email`),
     CONSTRAINT `jobhistory_ibfk_3` FOREIGN KEY (`study`) REFERENCES `study` (`name`) ON DELETE CASCADE
   ) ENGINE=NDBCLUSTER DEFAULT CHARSET=latin1;
   /*!40101 SET character_set_client = @saved_cs_client */;
  
positive.code:   PRIMARY KEY (`log_id`),
    KEY `AUDIT_uid_idx` (`uid`),
    KEY `AUDIT_username_idx` (`username`)
  ) ENGINE=NDBCLUSTER AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
  /*!40101 SET character_set_client = @saved_cs_client */;
  
  --
  
negative.code:   `created` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    `aes_secret` varchar(100) DEFAULT NULL,
    `public_id` varchar(40) DEFAULT NULL,
    `accessed` timestamp NULL DEFAULT NULL,
    `status` int(11) DEFAULT '-1',
    `yubidnum` int(11) NOT NULL AUTO_INCREMENT,
    `uid` int(11) NOT NULL,
    PRIMARY KEY (`yubidnum`)
  ) ENGINE=NDBCLUSTER AUTO_INCREMENT=2 DEFAULT CHARSET=latin1;
  /*!40101 SET character_set_client = @saved_cs_client */;
  
  --
  