June 2014
Intermediate to advanced
696 pages
38h 52m
English
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Denormalizing Data with Embedded Documents
Denormalizing data is the process of identifying subobjects of a main object that should be embedded directly into the document of the main object. Typically you do this on objects that have a mostly one-to-one relationship or are relatively small and do not get updated frequently.
The major advantage of denormalized documents is that you can get the full object back in a single lookup, without needing to do additional lookups to combine subobjects from other collections. This is a major performance enhancement. The downside is that for subobjects with a one-to-many relationship, you will be storing a separate copy in each document, which slows down insertion a bit and also takes up additional disk space. ...
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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.