SELECT mr.member_id, mr.username, GROUP_CONCAT(DISTINCT jb.company,jb.start_time,jb.end_time)companys, GROUP_CONCAT(DISTINCT en.school)school, CONCAT(jb.company,'-',en.school) wawwa, GROUP_CONCAT(DISTINCT CONCAT(jb.company,' ',jb.start_time,':',jb.en