oracle 锁住账号Oracle 10g 时间处理(二)

–指定的时间加上一分钟

SELECT to_char(to_date('2011-11-09 15:30:30','YYYY-MM-DD HH24:MI:SS') + (1/1440),'YYYY-MM-DD HH24:MI:SS')  as newDate FROM dual;

–两个时间相减

select to_date('2011-11-09 15:30:30', 'YYYY-MM-DD HH24:MI:SS') – to_date('2011-10-09 15:30:30', 'YYYY/MM/DD HH24:MI:SS') from dual

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–减去10分钟

select sysdate,sysdate – interval '10' minute  as "当前时间-10分钟" from dual;

–结果：11-9-2011 5:09:34 PM ,11-9-2011 4:59:34 PM

–减去10小时

select sysdate,sysdate – interval '10' hour  as "当前时间-10分钟" from dual;

–结果：11-9-2011 5:10:59 PM ,11-9-2011 7:10:59 AM

–减去10天

select sysdate,sysdate – interval '10' day  as "当前时间-10分钟" from dual;

–结果：11-9-2011 5:11:42 PM, 10-30-2011 5:11:42 PM