May 2019
Intermediate to advanced
484 pages
11h 23m
English
Content preview from Learn T-SQL Querying
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Troubleshooting Live Queries
During our career as a database professional we likely encounter cases where a runaway query takes hours to complete or doesn't even complete by any reasonable time measurement. How do we troubleshoot such cases?
A query execution plan can help provide a conclusive explanation of query performance issues. But to get a query execution plan there is one requirement a long-running query can’t easily meet: query completion.
If a query takes a long time to complete or never actually does, then how can we troubleshoot those cases? And assume we take that production query back to our development server and it will run well? That means there is some set of conditions that can only be reproduced in the production server, ...
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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.