摘要:
SQL> alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss'; Session altered. SQL> select sysdate, sysdate+1/24, sysdate +1/1440, sysdate + 1/86400 from dual; SYSDATE SYSDATE+1/24 ... 阅读全文
posted @ 2008-07-30 12:08
jackyrong的世界
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