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显示缺失值[日期]作为范围I具有输出如下为了从日期列
ID Date
Null 2012-10-01
1 2012-10-02
2 2012-10-03
NULL 2012-10-04
3 2012-10-05
NULL 2012-10-06
4 2012-10-07
NULL 2012-10-08
5 2012-10-10
NULL 2012-10-11
NULL 2012-10-12
6 2012-10-13
NULL 2012-10-16
因为已经缺少的日期与值作为NULL。我需要显示的最终输出
2012-10-01 - 2012-10-01 (1 day)
2012-10-04 - 2012-10-04(1 day)
2012-10-06 - 2012-10-06(1 day)
2012-10-08 - 2012-10-08(1 day)
2012-10-11 - 2012-10-12(2 day)
2012-10-14 - 2012-10-14(1 day)
[你有什么尝试?](http://www.whathaveyoutried.com/)请参阅[问问建议](http://stackoverflow.com/questions/ask-advice)。 – 2013-03-06 17:35:55
所以你想要连续日期范围(按日期排序)**空ID值字段**值,对吧? – 2013-03-06 17:44:33