oracle将时间加一天，加小时，加分，加秒
加一天select to_date('2019-08-15 22:03:10','yyyy-mm-dd hh24:mi:ss')+1 next_day from dual;加一小时select to_date('2019-08-15 22:03:10','yyyy-mm-dd hh24:mi:ss')+1/24 next_hour from dual;加一分钟select to_date('2019-08-15 22:03:10','yyyy-mm-dd hh24:mi:ss')+
