SV_TEXTBOOK ID, NAME, SUBJECT_ID, GRADEID, REMARK, TEACHING_MATERIAL_ID #{ID}, #{NAME}, #{SUBJECT_ID}, #{GRADE_ID}, #{VERSION_NAME}, #{REMARK}, #{TEACHING_MATERIAL_ID} insert into ( ) values ( ) delete from where ID = #{ID} update set NAME = #{NAME}, SUBJECT_ID = #{SUBJECT_ID}, GRADE_ID = #{GRADE_ID}, REMARK = #{REMARK}, TEACHING_MATERIAL_ID = #{TEACHING_MATERIAL_ID}, ID = #{ID} where ID = #{ID} select from where ID = #{ID} select from where 1=1 and ( ) select from where 1 = 1 and TEACHING_MATERIAL_ID = #{TEACHING_MATERIAL_ID} and SUBJECT_ID = #{SUBJECT_ID} and GRADE_ID = #{GRADE_ID} delete from where ID in #{item}