SELECT姓名FROM教师表WHERE(教师号<>ANY(SELECT教师号FROM授课表WHERE课程号=“C140”)) SELECT姓名FROM教师表WHERENOTEXISTS(SELECT*FROM授课表WHERE教师号=教师表.教师号AND课程号=“C140”) SELECT姓名FROM教师表WHERENOTIN(SELECT*FROM授课表WHERE教师号=教师表.教师号AND课程号=“C140”) SELECT姓名FROM教师表WHERE(教师号NOTALL(SELECT教师号FROM授课表WHERE课程号=“C140”))