select (ifnull((select max(file.file_seq) from np_file file where file.file_no = #{fileNo}), 0) + 1) as file_seq insert into np_file ( file_no , file_seq , file_path , file_type , file_nm , file_org_nm , file_size , add_dt , add_id ) values ( #{fileNo} , #{fileSeq} , #{filePath} , #{fileType} , #{fileNm} , #{fileOrgNm} , #{fileSize} , now() , #{addId} ) delete from np_file where file_no = #{fileNo} and file_seq = #{fileSeq}