Use the Index, Luke

[James Beresford]

While I’m on a T-SQL bent, I stumbled upon (literally, beware of StumbleUpon as a way to waste heroic amounts of time) a free eBook called “Use The Index, Luke”. Its by a chap called Markus Winand, who I freely admit to having never heard of* (and Google isn’t particularly enlightening).

However it’s a work in progress explaining in relatively clear terms what database indexes are, how they work and how they can impact performance. It’s a pretty important topic for anyone who writes SQL – so I’d recommend reading what’s there and tracking it’s progress.



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