June 2017
Beginner to intermediate
404 pages
8h 22m
English
Content preview from Learning Elasticsearch
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Relevance
A traditional database usually contains structured data. A query on a database limits the data depending on different conditions specified by the user. Each condition in the query is evaluated as true/false, and the rows that don't satisfy the conditions are eliminated. However, full-text search is much more complicated. The data is unstructured, or at least the queries are.
We often need to search for the same text across one or more fields. The documents can be quite large, and the query word might appear multiple times in the same document and across several documents. Displaying all the results of the search will not help as there could be hundreds, if not more, and most documents might not even be relevant to the search.
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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.