insert into sz_sch_course ( school_id , course_id, course_name,course_type)
values
(#{emp.schoolId,jdbcType=INTEGER}, #{emp.courseId,jdbcType=INTEGER}, #{emp.courseName,jdbcType=VARCHAR},0)
delete from sz_sch_course where school_Id =#{schoolId}
update sz_sch_course set course_type = 0 where school_Id =#{schoolId}
update sz_sch_course set course_type =#{courseType} where course_id = #{courseId} and school_id = #{schoolId}