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September 15, 2018 by Shubhankar Dubey

MongoDB : Aggregate Functions

Aggregate functions allow you to group together the documents and performs some computation on them, so that a single document is been return. . Retrieve the document from the database Note: We are using testDB database, and from the previous tutorial we are using collection as testCollection 1) Open a new command Prompt. 2) Enter “mongod“, […]

Article by Shubhankar Dubey / Mongo Db Tutorials / $addToSet, $avg, $first, $last, $max, $min, $push, $sum, aggregate functions in monogodb, MongoDB

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