Apparently changing the language from english to spanish changes the @@DATEFIRST value from 7 to 1.
I didn't realize that side-effect. Interesting...
It also accounts for why I didn't see it while testing as I was trying to test @@DATEFIRST setting (forcing it) at the same time I was testing the language change.
My thought question: Have you ever been told that your query runs too fast?
My advice:
INDEXing a poor-performing query is like putting sugar on cat food. Yeah, it probably tastes better but are you sure you want to eat it?
The path of least resistance can be a slippery slope. Take care that fixing your fixes of fixes doesn't snowball and end up costing you more than fixing the root cause would have in the first place.
Need to UNPIVOT? Why not CROSS APPLY VALUES instead?[/url]
Since random numbers are too important to be left to chance, let's generate some![/url]
Learn to understand recursive CTEs by example.[/url]
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