PluralSight – Querying Data Using Map reduce in MongoDB Bookware-KNiSO
English | Size: 143.35 MB
Category: Tutorial
Working with large volumes of document data for analytics requires the power and flexibility of MongoDB s Map-reduce feature. In this course, Querying Data Using Map-reduce in MongoDB, you ll gain the ability to get yourself fully equipped to confidently apply the Map-reduce pattern to any data set no matter how large it could be. First, you ll discover the requirement for Map-reduce among other aggregation capabilities of MongoDB. Next, you ll explore how to create a custom JavaScript map function and a reduce function that are needed to perform map and reduce operations. Finally, you ll learn how to use these custom functions to perform a Map-reduce operation on a MongoDB data set to aggregate results across documents. When you re finished with this course, you ll have the skills and knowledge of working with the Map-reduce function in MongoDB that will help you leverage the power of MongoDB s aggregation feature for data crunching requirements in your next project
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