March 2013
Intermediate to advanced
344 pages
9h 37m
English
Content preview from Oracle SQL Tuning with Oracle SQLTXPLAIN
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CHAPTER 8
Dynamic Sampling and Cardinality Feedback
Imagine you’ve been given the job of sorting through some books in a house to find all the references to the word “Vienna” in the book titles. You’ve been told there are 2 or 3 books in the study, and that there is an index in the desk if you need it. Naturally with 2 or 3 books or even a dozen books, there’s no point in using the index in the desk, you’ll just look at the book titles one by one and quickly find all of the books with “Vienna” in the title. Unfortunately, what you didn’t know is that since the last person looked at the books the owner has bought the entire contents of the local ...
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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.