March 2009
Intermediate to advanced
832 pages
23h 49m
English
book
Inside Microsoft® SQL Server® 2008: T-SQL Querying
by Lubor Kollar Itzik Ben-Gan Dejan Sarka, and Steve Kass
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Puzzle Solutions
This section contains solutions to the logic puzzles.
Puzzle 1: Remainders
When solving such a problem, try first to relax the limitations and simplify the problem. Then add complexity layers. For example, first ignore the requirement to find the minimum integer n that qualifies. Try to find a solution for any integer n that would yield the remainder i – 1 for any i value. Obviously, if you multiply all i values (2 × 3 × 4 × 5 × 6 × 7 × 8 × 9 × 10) and subtract 1, the result meets the puzzle’s requirement (except for the requirement to find the minimum n). You can express the same result as the product of the prime factors of the various i values: (2 × 3 × [2 × 2] × 5 × [2 × 3] × 7 × [2 × 2 × 2] × [3 × 3] × [2 × 5]) – 1. Next, tackle ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.