Hola alejandrosc,
Te anexo un ejemplo básico y sencillo que te puede ayudar a solventar el problema:
Código MySQL:
Ver original/*!40101 SET NAMES utf8 */;
/*!40101 SET SQL_MODE=''*/;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
/*Table structure for table `jos_users` */
/* Trigger structure for table `jos_users` */
DELIMITER $$
/*!50003 CREATE TRIGGER `insertar_user` AFTER INSERT ON `jos_users`
FOR EACH ROW
BEGIN
insert into secundaria1.jos_users (`id`, `name`) values (new.`id`, new.`name`);
insert into secundaria2.jos_users (`id`, `name`) values (new.`id`, new.`name`);
END */$$
DELIMITER ;
/*Table structure for table `jos_users` */
/*Table structure for table `jos_users` */
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;