繁体   English   中英

合并SQL Server 2000中的两行或更多行

[英]Merge two or more rows in SQL Server 2000

假设我的表包含以下信息:

row | ID  |       date1          |        date2            | place   | value
--------------------------------------------------------------------------
1   |  1  |  2011-01-23 05:33:21 |    2011-01-23 06:43:10  |    A    |     5
2   |  1  |  2011-01-23 06:44:21 |    2011-01-23 07:13:28  |    A    |     4
3   |  1  |  2011-01-23 07:14:21 |    2011-01-23 07:27:28  |    A    |     4
4   |  1  |  2011-01-23 08:30:11 |    2011-01-23 09:56:45  |    A    |     6
5   |  1  |  2011-01-23 09:58:21 |    2011-01-23 10:43:26  |    B    |     8
6   |  2  |  2011-01-23 05:33:21 |    2011-01-23 06:43:21  |    A    |     3

我想像第1行和第2行这样合并(如下表中的行那么多)条件是DATEDIFF(minute, row1.date2, row2.date1) < 10 and row1.place = row2.place

row | ID  |       date1          |        date2          |  place   | value
=======================================================================
1   |  1  |  2011-01-23 05:33:21 |   2011-01-23 07:27:28 |     A    |    13
2   |  1  |  2011-01-23 08:30:11 |   2011-01-23 09:56:45 |     A    |    6
3   |  1  |  2011-01-23 09:58:21 |   2011-01-23 10:43:26 |     B    |    8
4   |  2  |  2011-01-23 05:33:21 |   2011-01-23 06:43:21 |     A    |    3

请帮助我从表格中选择以上结果。

提前致谢。

insert into table
   select 
      row, id, date1, date2, place, sum(value)
   from table
   where (your date diff condition)
   group by row, id, date1, date2, place

我认为这应该工作.. :)

暂无
暂无

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM