id ,subject_id,exam_paper_id,deleted insert into t_exam_paper_subject(id,subject_id,exam_paper_id,deleted) values (#{item.id},#{item.subjectId},#{item.examPaperId},#{item.deleted}) select * from t_exam_paper_subject where exam_paper_id = #{id} and deleted = 0 select * from t_exam_paper_subject where subject_id = #{id} and deleted = 0 delete from t_exam_paper_subject where exam_paper_id = #{id} delete from t_exam_paper_subject where subject_id = #{id}