	drop table if exists  result_scalar ;
	drop table if exists  result_tda ;
	drop table if exists  result_tra ;
	drop table if exists  result_log ;
	drop table if exists  contact ;
	drop table if exists  expected ;
	drop table if exists  distinct_test_run ;	
	drop table if exists  user_prefs ;
	drop table if exists  user_email_pref ;
	drop table if exists  query_id ;
	drop table if exists  query ;
	drop table if exists  delete_queue ;
	drop table if exists  hostinfo ;
	drop table if exists  chronic ;
	drop table if exists  ok_transactions ;
	drop table if exists  ok_items ;
