SV_HEADMASTER NAME, USERNAME, PASSWORD, SCHOOL_ID, PERMISSION, PHONE, KEYPAD_ID, HEADMASTER_ID #{NAME}, #{USERNAME}, #{PASSWORD}, #{SCHOOL_ID}, #{PERMISSION}, #{PHONE}, #{KEYPAD_ID}, #{HEADMASTER_ID} insert into ( ) values ( ) delete from where HEADMASTER_ID = #{HEADMASTER_ID} update set NAME = #{NAME}, USERNAME = #{USERNAME}, PASSWORD = #{PASSWORD}, SCHOOL_ID = #{SCHOOL_ID}, PERMISSION = #{PERMISSION}, PHONE = #{PHONE}, KEYPAD_ID = #{KEYPAD_ID}, HEADMASTER_ID = HEADMASTER_ID where HEADMASTER_ID = #{HEADMASTER_ID} select from where HEADMASTER_ID = #{HEADMASTER_ID} select from where KEYPAD_ID = #{KEYPAD_ID} USERNAME = #{USERNAME} and PASSWORD = #{PASSWORD} select from where 1=1 and SCHOOL_ID = #{pd.SCHOOL_ID} select from where 1 = 1 and SCHOOL_ID = #{SCHOOL_ID} delete from where HEADMASTER_ID in #{item}