select convert(int,SUBSTRING(stockno, CharIndex('-',stockno)+1,len(stockno))) from AIO_host where stockno='T0000001-2'
取出T0000001-2的2
select convert(int,SUBSTRING(stockno, CharIndex('-',stockno)+1,len(stockno))) from AIO_host where stockno='T0000001-2'
取出T0000001-2的2