1.SELECT * from tbLabelResRelation WHERE lId in(32,18,27,19) order by FIND_IN_SET(lId ,'32,18,27,19'): 2.SELECT * from tbLabelResRelation WHERE lId in(32,18,27,19) order by substring_index('32,18,27,19',lId,1);3.SELECT lCourseId FROM tbNewSchoolCours…