May 2013
Intermediate to advanced
700 pages
20h 7m
German
book
Abfragen von Microsoft SQL Server 2012 - Original Microsoft Training für Examen 70-461
by Itzik Ben-Gan, Dejan Sarka, Ron Talmage
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Kapitel 14. Analysieren der Abfrageleistung
Prüfungsziele in diesem Kapitel:
Fehlerbehebung und Optimierung
Optimieren von Abfragen
Zum Schreiben von Abfragen ist ein Grundwissen in T-SQL erforderlich, aber um Abfragen mit einer guten Leistung zu schreiben, brauchen Sie umfassendere Kenntnisse. Microsoft SQL Server 2012 gibt Informationen über die Ausführung von Abfragen aus und hilft Ihnen dadurch beim Lernen. Zu diesen Hinweisen gehören unter anderem der erforderliche Umfang an Festplatten-E/A und CPU-Zeit zum Ausführen der Abfrage, die ausführliche Darstellung der Ausführungsschritte, Angaben zu fehlenden und zu nicht verwendeten Indizes usw. In diesem Kapitel erfahren Sie, wie Sie die von SQL Server bereitgestellten Informationen über die Ausführung ...
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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.