Create a Cumulative Sum Column in MySQL

Posted by Kirk on Stack Overflow See other posts from Stack Overflow or by Kirk
Published on 2010-04-01T21:50:17Z Indexed on 2010/04/01 21:53 UTC
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mysql

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mysql-query

I have a table that looks like this:

I want to add a new column called cumulative_sum, so the table would look like this:

id   count  cumulative_sum
1    100    100
2    50     150
3    10     160

Is there a MySQL update statement that can do this easily? What's the best way to accomplish this?

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