BlogJava-摆脱自我-随笔分类-oraclehttp://www.blogjava.net/sdxrh2005/category/23308.html做男人就得狠一点zh-cnWed, 13 Jun 2007 06:37:54 GMTWed, 13 Jun 2007 06:37:54 GMT60connect by构建时间段表http://www.blogjava.net/sdxrh2005/archive/2007/06/13/123862.html*飞雪冲天**飞雪冲天*Wed, 13 Jun 2007 06:37:00 GMThttp://www.blogjava.net/sdxrh2005/archive/2007/06/13/123862.htmlhttp://www.blogjava.net/sdxrh2005/comments/123862.htmlhttp://www.blogjava.net/sdxrh2005/archive/2007/06/13/123862.html#Feedback0http://www.blogjava.net/sdxrh2005/comments/commentRss/123862.htmlhttp://www.blogjava.net/sdxrh2005/services/trackbacks/123862.htmlselect * from (
select to_char(add_months(to_date('200501','yyyymm'), rownum), 'yyyymm') from dual
connect by rownum<months_between(to_date('200512','yyyymm'),to_date('200501','yyyymm')));
例2：
select to_char(to_date('200105','yyyymm'),'yyyy')+ b.bb||'00'+a.aa  ff
 from
(select level aa from dual connect by 1=1 and level <13 ) a,
(select level-1 bb from dual connect by 1=1 and level <=
(to_char(to_date('200402','yyyymm'),'yyyy') - to_char(to_date('200105','yyyymm'),'yyyy')+1)  ) b
where  to_char(to_date('200105','yyyymm'),'yyyy')+ b.bb||'00'+a.aa  >='200105'
and to_char(to_date('200105','yyyymm'),'yyyy')+ b.bb||'00'+a.aa  <='200402'


*飞雪冲天* 2007-06-13 14:37 发表评论
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