sql connect
$x = 1
begin:
  sql insert into db1.tb1 values(now, $x ) -x begin  
  sql insert into db2.tb2 values(now, $x ) -x begin  
  sql insert into db3.tb3 values(now, $x ) -x begin  
  sql insert into db4.tb4 values(now, $x ) -x begin  
  #print ===> insert successed $x 
  $x = $x + 1   
goto begin