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Best approaches for running totals – updated for SQL Server 2012
I see a lot of advice out there that says something along the lines of, "Change your cursor to a set-based operation; that will make it faster." While that can often be the case, it's not always true....
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When the DRY principle doesn't apply : BITWISE operations in SQL Server
The "Don't Repeat Yourself" principle suggests that you should reduce repetition. This week I came across a case where DRY should be thrown out the window. There are other cases as well (for example,...
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Conditional Order By
A common scenario in many client-server applications is allowing the end user to dictate the sort order of results. Some people want to see the lowest priced items first, some want to see the newest...
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Performance impact of different error handling techniques
People wonder whether they should do their best to prevent exceptions, or just let the system handle them. I've seen several discussions where folks debate whether they should do whatever they can to...
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