摘要：
一、随时间变化的输出文件：col outputfilename new_value v_filename noprint;select to_char(sysdate,'yyyy-mm-ddpmhh24miss')||'UPDATE.LOG' outputfilename from dual;SPOOL &v_filename;...................SPOOL OFF注：C... 阅读全文
posted @ 2008-07-02 11:49
Zhongjian Zhang
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