CREATE OR REPLACE DEFINER=`vn`@`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`