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+--- Thread: Querying Data Using Map-reduce in MongoDB (/Thread-Querying-Data-Using-Map-reduce-in-MongoDB)
Querying Data Using Map-reduce in MongoDB - Farid - 01-19-2025
![[Image: dSHaTwt.png]](https://i.imgur.com/dSHaTwt.png)
Year of manufacture : 2023
Manufacturer : Pluralsight
Manufacturer's website : Author : Buddhini Samarakkody
Duration : 1h 40m
Type of distributed material : Video clips
Language : En
Subtitles : En
Описание: 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.
Content
Course Overview 1m 34s
Discovering the Need for Map-reduce in MongoDB 27m 40s
Creating Custom JavaScript Functions for Map and Reduce 20m 30s
Applying Custom JavaScript Functions to MongoDB Map-reduce 23m 23s
Putting the Pieces Together: Build a Complete Map-reduce Solution in MongoDB 27m 20s
Example files : none
Video format : MP4
Видео: MPEG4 Video (H264) 1024x768 30fps 293kbps [V: En [eng] (h264 high L4.0, yuv420p, 1280x720, 293 kb/s)]
Аудио: AAC 44100Hz stereo 95kbps [A: SoundHandler [eng] (aac lc, 44100 Hz, stereo, 95 kb/s)]
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📌 Querying Data Using Map-reduce in MongoDB (143.72 MB)
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