CREATE OR REPLACE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vn`.`salesPersonSince` AS SELECT `b`.`workerFk` AS `workerFk`, min(`b`.`started`) AS `started` FROM ( ( `vn`.`business` `b` JOIN `vn`.`worker` `w` ON(`w`.`id` = `b`.`workerFk`) ) LEFT JOIN `vn`.`professionalCategory` `pc` ON( `pc`.`id` = `b`.`workerBusinessProfessionalCategoryFk` ) ) WHERE `pc`.`description` = 'Aux ventas' GROUP BY `b`.`workerFk`