SV_CHAPTER NAME, CDESCRIPTION, REMARK, TEACHINGMATERIAL_ID, ID #{NAME}, #{CDESCRIPTION}, #{REMARK}, #{TEACHINGMATERIAL_ID}, #{ID} insert into ( NAME, CDESCRIPTION, REMARK, TEACHINGMATERIAL_ID ) values ( #{NAME}, #{CDESCRIPTION}, #{REMARK}, #{TEACHINGMATERIAL_ID} ) delete from where ID = #{ID} update set NAME = #{NAME}, CDESCRIPTION = #{CDESCRIPTION}, REMARK = #{REMARK}, TEACHINGMATERIAL_ID = #{TEACHINGMATERIAL_ID}, ID = #{ID} where ID = #{ID} select from where ID = #{ID} select from where 1=1 and ( ) select from delete from where ID in #{item}