日期:2014-05-17 浏览次数:20847 次
CORRECT! SQL> SELECT SYSDATE, 2 (SYSDATE-TO_DATE('2008/10/04 10:00:00','YYYY/MM/DD HH24:MI:SS'))*24*60*60 "SECONDS" 3 FROM DUAL; SYSDATE SECONDS -------------------- ---------- 2008-10-3 11:12:48 -82032 SQL>