摘要:        
select to_char(to_date('20090108','YYMMDD'),'IW') from dual ;select to_char(to_date('20090108','YYMMDD'),'WW') from dual ;select to_char(to_date('20090107','YYMMDD'),'IW') from dual ;select to_char(to...    阅读全文
        
            posted @ 2009-09-21 08:40
左少白
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