MongoDB Tutorial 4 Map Reduce Finalize Group

From the creator

Get the Code Here : http://goo.gl/vpPjSP Best MongoDB Book : http://amzn.to/1VdclfA I received a bunch of questions about using Map Reduce in MongoDB, so here I provide a bunch of examples. First I'll cover Map Reduce using straight JavaScript. Then we'll cover increasingly complex MongoDB Map Reduce queries. Then finally I'll cover using Group and Distinct.

Published 2015-12-24 · Watch on YouTube ↗
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