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
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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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3m 54s
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3m 51s
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3. Performing a MapReduce4m 18s
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4. Performing an Incremental MapReduce4m 4s
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5. Defining the Need for Atomic Counters4m 5s
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6. Handling Atomic Counters3m 50s
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7. Defining BSON4m 5s
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8. Storing Binary Data3m 18s
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9. Retrieving Binary Data3m 58s
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10. Converting to JSON3m 59s
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