Cumulative Sum Update - SQL Server Forums

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Cumulative Sum Update

Author

Topic

mkdlmr
Starting Member

21 Posts

Posted - 2013-12-18 : 21:15:10

How can I update a table to have a running cumulative sum?

For Example:

Update Table1 Set Cumulative_Sum = Row_Sum + Previous_Row_Sum

It should look something like this:

Row_Sum Cumulative_Sum
1 1
2 3
3 6
4 10

Thanks,
Mark

khtan
In (Som, Ni, Yak)

17689 Posts

Posted - 2013-12-18 : 21:48:47

duplicate of http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=190396

Please do not cross post

KH
[spoiler]Time is always against us[/spoiler]

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