March 2019
Beginner to intermediate
778 pages
34h 20m
English
Content preview from Building Google Cloud Platform Solutions
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How BigQuery executes queries
In order to understand the use cases and limitations of BigQuery, it's helpful to know a bit about how BigQuery actually works. When a user executes a query in BigQuery, that query is processed by root servers that interpret the query into a series of operations. It then passes these operations through layers of intermediate servers, which orchestrate the execution of those operations across many leaf servers. Only at the leaf servers is any data actually read from disk. As leaf servers fulfill their requests, the intermediate servers receive their results, piecing them together and applying any higher-level computations before returning results to the root server and eventually the end user:
By spreading 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.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.