August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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Modeling data and the approaches
The common way of data modeling for relational database is to reduce data redundancy and improve data integrity by using a normalization process. However, Elasticsearch is not ;a relational database and, as such, data modeling does not apply to it. Like most NoSQL databases, Elasticsearch treats the real world as a flat world, which means each document is independent. Basically, a single document should include all of the information used to determine whether it matches a search request. To bridge the gap between two worlds, several common techniques of data modeling are used in Elasticsearch. We'll discuss data denormalization, inner objects, nested objects, and join datatypes in the following sub-sections. ...
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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.
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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.