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Using a Cursor, Why?
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À
30/08/2010 15:10:31
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Autre
Versions des environnements
SQL Server:
SQL Server 2008
Divers
Thread ID:
01479241
Message ID:
01479273
Vues:
61
>Suppose, you need to calculate running total and you don't want to use quirky update idea. Then cursor will perform better than set based solutions.
>
>There are few other situations where cursor performs better.

>
>That's debatable. I'm not saying cursors are the root of ALL evil, but that's debatable.
>
>In addition, what if you need to send an e-mail? If so, you will have to use a cursor.
>
>That's what SSIS is for. :)

What part of that statement is debatable?

Or what exactly did you mean here?

Check http://sqlblog.com/blogs/adam_machanic/archive/2006/07/12/running-sums-redux.aspx

Did you mean?
CLR solution wins
http://sqlblog.com/blogs/adam_machanic/archive/2006/07/12/running-sums-yet-again-sqlclr-saves-the-day.aspx
If it's not broken, fix it until it is.


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