July 2025
Intermediate to advanced
484 pages
15h 13m
German
Content preview from Power Query
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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.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.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.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.
KAPITEL 14 Abfragediagnose
In diesem Kapitel:
- ■ erfahren Sie, wie Sie die Abfragediagnose aktivieren
- ■ erfahren Sie mehr über die verschiedenen Arten der Diagnosen
- ■ erfahren Sie, was Query Folding (Abfragefaltung) ist und wie es Ihre Abfragen unterstützen kann
- ■ verwenden Sie die Abfragediagnose, um zu prüfen, ob die Abfrage gefaltet wird
Wenn Sie Power Query verwenden, sind Sie in den meisten Fällen vermutlich mit der Leistung Ihrer Abfragen zufrieden und müssen keine Leistungsoptimierung vornehmen. In den Fällen, in denen Sie Ihre Abfragen diagnostizieren müssen – sei es, um die Ressourcennutzung zu verfolgen, um zu prüfen, wie verschiedene Vertraulichkeitsstufen interagieren, oder um Daten optimal aus einer Datenquelle abzurufen –, können ...
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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.