August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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New features
Let's discuss those new features that were mentioned in Chapter 1, Overview of Elasticsearch 7, as follows. We will use elasticsearch-sql-cli to play around the topics:
- DATABASE() and USER() system functions: The DATABASE() function returns the current working database instance, and the user() function returns the current user. As shown in the following screenshot, the current working database is docker-cluster, while there is no current user since we have not yet set up the user authentication:
- INTERVAL keyword: This is a keyword for converting the subsequent literal into a date-time interval. Let's see how it is used. The ...
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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.