Geek Fail

I’m sorry, but the most classic, rookie mistake you can make in SQL is to turn a table in on itself and create a Cartesian Product.

Which I did.

On our shiny new server.

It ran for six hours before I caught it.

And somehow the delivering of the massively huge mapping project in less time than it has ever taken, ever, takes a huge back seat to the classic rookie mistake of someone who doesn’t even manage classic rookies.


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