December 2017
Intermediate to advanced
434 pages
10h 14m
English
Content preview from SQL Server 2017 Administrator's Guide
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Recent Expensive Queries and Active Expensive Queries
The last two sections are very similar to each other and both show the list of the most expensive queries with statistical information. The Recent Expensive Queries section shows statistics about finished queries and the Active Expensive Queries section shows queries actually running.
Both sections are depicted in the following screenshot:
The Recent Expensive Queries section shows the following:
- Number of executions per minute: How many times the query was executed during a minute
- Amount of milliseconds spent by the query on CPUs per second: Ratio of time spent on CPU in every minute ...
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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.
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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.