Map Reduce, Atomic Counters, & Binary Data

Mongo 3.4.3    |    Expert
  • 10 videos | 39m 22s
  • Includes Assessment
  • Earns a Badge
MongoDB has some very powerful features to allow you to query and manipulate data. Explore the use of MapReduce and Atomic Counters, as well as how to store binary data using BSON.

WHAT YOU WILL LEARN

  • 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

IN THIS COURSE

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