SV_COURSEMANAGEMENT TEACHER_ID, CLASS_ID, SUBJECT_ID, START_DATE, END_DATE, REMARK, ID #{TEACHER_ID}, #{CLASS_ID}, #{SUBJECT_ID}, #{START_DATE}, #{END_DATE}, #{REMARK}, #{ID} insert into ( TEACHER_ID, CLASS_ID, SUBJECT_ID, START_DATE, END_DATE, REMARK ) values ( #{TEACHER_ID}, #{CLASS_ID}, #{SUBJECT_ID}, #{START_DATE}, #{END_DATE}, #{REMARK} ) delete from where ID = #{ID} update set TEACHER_ID = #{TEACHER_ID}, CLASS_ID = #{CLASS_ID}, SUBJECT_ID = #{SUBJECT_ID}, START_DATE = #{START_DATE}, END_DATE = #{END_DATE}, REMARK = #{REMARK}, ID = ${ID} where ID = #{ID} select from where ID = #{ID} select from where 1=1 and ( ) select from delete from where ID in #{item}