for ongoing error work:

 	CREATE TABLE users (
 	  uid varchar(8) NOT NULL default '',
 	  unix_uid smallint(5) unsigned NOT NULL default '0',
 	  PRIMARY KEY  (uid),
 	  KEY unix_uid (unix_uid)
 	) TYPE=MyISAM;

 	CREATE TABLE experiments (
 	  idx int(10) unsigned NOT NULL default 0,
 	  pid varchar(12) NOT NULL default '',
 	  eid varchar(32) NOT NULL default '',
 	  PRIMARY KEY idx (idx),
 	  KEY  (eid,pid)
 	) TYPE=MyISAM;