SV_STUDENT NAME, SNO, NUMBER, SEX, GROUPID, SIGN_NO, PARENT_NAME, PARENT_PHONE, KEYPAD_ID, REMARK, CLASS_ID, ID #{NAME}, #{SNO}, #{NUMBER}, #{SEX}, #{GROUPID}, #{SIGN_NO}, #{PARENT_NAME}, #{PARENT_PHONE}, #{KEYPAD_ID}, #{REMARK}, #{CLASS_ID}, #{ID} insert into () values () delete from where ID = #{ID} update set NAME = #{NAME}, SNO = #{SNO}, NUMBER = #{NUMBER}, SEX = #{SEX}, GROUPID = #{GROUPID}, SIGN_NO = #{SIGN_NO}, PARENT_NAME = #{PARENT_NAME}, PARENT_PHONE = #{PARENT_PHONE}, KEYPAD_ID = #{KEYPAD_ID}, REMARK = #{REMARK}, CLASS_ID = #{CLASS_ID}, ID = #{ID} where ID = #{ID} delete from where ID in #{item}