MongoDB: Map Reduce, Atomic Counters, and Binary Data


Overview/Description
Target Audience
Prerequisites
Expected Duration
Lesson Objectives
Course Number
Expertise Level


Overview/Description
MongoDB has some very powerful features to allow you to query and manipulate data. In this course, you will learn how to use MapReduce and Atomic Counters, and how to store binary data.

Target Audience
Anyone planning or considering to deploy a MongoDB database backend

Prerequisites
None

Expected Duration (hours)
0.8

Lesson Objectives

MongoDB: Map Reduce, Atomic Counters, and Binary Data

  • Start the course
  • use and troubleshoot a Map function to emit key-value pairs
  • use and troubleshoot a Reduce function to reduce a set of key-value pairs
  • use the MapReduce function to aggregate operations over a collection
  • use the MapReduce function over a constantly growing data set
  • define when atomic operations are needed
  • use atomic counters to maintain multiple fields that must be in sync
  • define and identify the BSON types and when they should be used
  • use the BSON binary data type to store binary data
  • retrieve binary data stored in a BSON binary data field
  • use MongoDB Extended JSON to preserve type information

    • Course Number:
    df_mond_a05_it_enus

    Expertise Level
    Expert