การ Query ด้วย odbc_exec กับ Database 2 ตัวขึ้นไป

 $dsn = "Financials";
 $username = "fin_read";
 $password = "dvc$579";
  
 $link = odbc_connect($dsn, $username, $password);
 
 if (!$link) {
  exit ("Connection Failed: " . $link);
 }
 
 $dsn = "Manufacturing";
 $username = "mfg_read";
 $password = "dvc$579";
  
 $link1 = odbc_connect($dsn, $username, $password);
 
 if (!$link1) {
  exit ("Connection Failed: " . $link1);
 }

 $sql = "blah blah blah";
 $rs = odbc_exec($link, $sql);
 if (!$rs) {
  exit ("Error in SQL 1");
 }