select school_introduce_id, school_id, introduce_class_id, content, display_status, sort, create_at, update_at, del_flag from mall_school_introduce insert into mall_school_introduce school_introduce_id, school_id, introduce_class_id , content, display_status, sort, create_at, update_at, del_flag, #{schoolIntroduceId}, #{schoolId}, #{introduceClassId}, #{content}, #{displayStatus}, #{sort}, #{createAt}, #{updateAt}, #{delFlag}, update mall_school_introduce school_id = #{schoolId}, introduce_class_id = #{introduceClassId}, content = #{content}, display_status = #{displayStatus}, sort = #{sort}, create_at = #{createAt}, update_at = #{updateAt}, del_flag = #{delFlag}, where school_introduce_id = #{schoolIntroduceId} delete from mall_school_introduce where school_introduce_id = #{schoolIntroduceId} delete from mall_school_introduce where school_introduce_id in #{schoolIntroduceId}