想查询一个表的结果集,又想统计其中某列符某行重复的次数

想查询一个表的结果集,又想统计其中某列符某行重复的次数

              select cdr.vc2called_number,count(1) over (partition by substr(cdr.vc2called_number,1,length(cdr.vc2called_number)-1))  count_num from  ct_cdr cdr
                        where  cdr.datbegincall >= sysdate-10/1440

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转载自thinktothings.iteye.com/blog/1546131