July 2010
Intermediate to advanced
448 pages
12h 22m
English
Content preview from Physical Database Design
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3
Query Optimization
and Plan Selection
It is a capital mistake to theorize before one has the data. Insensibly one begins
to twist facts to suit theories, instead of theories to suit facts.
—Sir Arthur Conan Doyle (1859–1930)
f you ever wanted to learn to play the piano, there are many different approaches that
people have tried over the past three centuries. The traditional recommended way is
to sign up with a professional teacher and take lessons one-on-one. Others have tried a
variety of methods of self-instruction, such as using books like Piano for Dummies,
watching videos, or just getting some sheet music and start playing. Regardless of which
method you choose, there is another variable, how to proceed to learn the piece you
want to play: hands ...
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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.
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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.