anchor.diff:    `service` varchar(32) NOT NULL,
     PRIMARY KEY (`study`,`service`),
     CONSTRAINT `study_services_ibfk_1` FOREIGN KEY (`study`) REFERENCES `study` (`name`) ON DELETE CASCADE
  -) ENGINE=InnoDB DEFAULT CHARSET=latin1;
  +) ENGINE=NDBCLUSTER DEFAULT CHARSET=latin1;
   /*!40101 SET character_set_client = @saved_cs_client */;
   
   --
  
positive.code:   `yubikey_user` tinyint(4) DEFAULT NULL,
    PRIMARY KEY (`uid`),
    UNIQUE KEY `email_idx` (`email`)
  ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
  /*!40101 SET character_set_client = @saved_cs_client */;
  
  --
  
negative.code:   `path` varchar(255) NOT NULL,
    PRIMARY KEY (`job_id`,`name`),
    CONSTRAINT `job_output_files_ibfk_1` FOREIGN KEY (`job_id`) REFERENCES `jobhistory` (`id`) ON DELETE CASCADE
  ) ENGINE=NDBCLUSTER DEFAULT CHARSET=latin1;
  /*!40101 SET character_set_client = @saved_cs_client */;
  
  --
  