here) or via Google (here).
On a previous project, some 'scary good' data mining experts and DBA's recommended this book. I've been using it ever since. Those guys were so right; this is an excellent resource for the practitioner. More, the content applies regardless of the database you use. Just adjust the syntax slightly for your target database engine and you'll be slaying queries like a pro in no time. Now here's the kicker: Graeme’s book is free to download… so no excuses, go get that data!
Favorite recipe: Multiple Counts in One Pass
13 Aug 2015 - Updated links (old ones were decommissioned).