insert into sz_sch_teacher ( school_id , teacher_id, teacher_name) values (#{emp.schoolId,jdbcType=INTEGER}, #{emp.teacherId,jdbcType=INTEGER}, #{emp.teacherName,jdbcType=VARCHAR}) select * from sz_sch_teacher where school_Id =#{schoolId} delete from sz_sch_teacher where school_Id =#{schoolId} select * from sz_sch_teacher where 1=1 and teacher_id = #{teacherId} and teacher_name = #{teacherName}