SV_TEACHINGMATERIAL NAME, SUBJECT_ID, GRADE_ID, VERSION_CODE, VERSION_NAME, TEACHINGMATERIAL_ID #{NAME}, #{SUBJECT_ID}, #{GRADE_ID}, #{VERSION_CODE}, #{VERSION_NAME}, #{TEACHINGMATERIAL_ID} insert into ( ) values ( ) delete from where TEACHINGMATERIAL_ID = #{TEACHINGMATERIAL_ID} update set NAME = #{NAME}, SUBJECT_ID = #{SUBJECT_ID}, GRADE_ID = #{GRADE_ID}, VERSION_CODE = #{VERSION_CODE}, VERSION_NAME = #{VERSION_NAME}, TEACHINGMATERIAL_ID = TEACHINGMATERIAL_ID where TEACHINGMATERIAL_ID = #{TEACHINGMATERIAL_ID} select from where TEACHINGMATERIAL_ID = #{TEACHINGMATERIAL_ID} select from where 1=1 and ( ) select from delete from where TEACHINGMATERIAL_ID in #{item}