• Hard to give anything resembling specifics with not much detail. I think it would be far better if you can get rid of the looping and just do an update. If you can post some ddl and sample data along with the logic of what the update is supposed to do I bet we can make this run WAY faster than you ever though possible. I am talking a few seconds instead of a couple hours. 🙂

    Please take a few minutes and read the first article in my signature for best practices when posting questions.

    _______________________________________________________________

    Need help? Help us help you.

    Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.

    Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.

    Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
    Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
    Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
    Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/