select luser.userid,luser.firstname,luser.lastname from luser
where luser.Pos = \'Teacher\'and luser.userid not in
(select sectionuser.userid from sectionuser
where sectionuser.courseid = \'204105\'and sectionuser.SectionID = \'1\' and sectionuser.Semester = \'2\')
ORDER BY luser.UserID
this query i can use in other database server but i can\'t use in MySQL version 4.0.2-alpha-nt
please!!! help me to convert my query can use in MySQL ....thank