July 2012
Intermediate to advanced
478 pages
10h 3m
English
Content preview from Microsoft SQL Server 2012 Performance Tuning CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Working with estimated execution plan
Estimated execution plan is the result of query optimizer, it is generated even before the query execution. Hence, it might have some or more changes when compared with the actual execution plan, but in most cases the actual and estimated execution plan remain almost the same.
Getting ready
As a DBA, many times you might come across a situation where you come to the office in the morning, somebody comes to you complaining that one of the page is taking a long time to display data which was working just fine and fast some days back. What would you do in the first step? How do you determine where the problem is?
This is the time where the estimated execution plan comes into picture. You take the query or stored ...
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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.