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Using OVER() with Aggregate Functions

One of new features in SQL 2005 that I haven't seen much talk about is that you can now add aggregate functions to any SELECT (even without a GROUP BY clause) by specifying an OVER() partition for each function. Unfortunately, it isn't especially powerful, and you can't do running totals with it, but it does help you make your code a little shorter and in many cases it might be just what you need.

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Detecting Deadlocks

By Steve Jones - SSC Editor

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Question of the Day

Detecting Deadlocks

By default, how often is the SQL Server Database Engine checking for deadlocks?

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