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Melody Maker's photo
Melody Maker@melodymakerFeb 8, 2021

MongoDB - Aggregation Framework - series #01

Let me demonstrate a few simple database queries on MongoDB using their Aggregation Pipeline Framework: lpromise( mgArr(dbEnum.nlp, collEnum.terms, …

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Faruk Abdulla Munshi@farukFeb 1, 2021

MongoDB Basic Shell Commands (part-7)

MongoDB Basic Shell Commands (part-6) Aggregation Framework Aggregation framework in its simple form is just another way to query data in MongoDB. It …

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Faruk Abdulla Munshi@farukJan 31, 2021

MongoDB Basic Shell Commands (part-6)

MongoDB Basic Shell Commands (part-5) Array Operators $elemMatch $elemMatch allows us to have access to the sub-document of an array field. We have a …

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Faruk Abdulla Munshi@farukJan 30, 2021

MongoDB Basic Shell Commands (part-5)

MongoDB Basic Shell Commands (part-4) Array Operators $push Allows us to add an element to an array. Turns a field into an array field if it was prev…

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Gourav Goyat@dev_ravJan 30, 2021

Basic Operations in Elasticsearch

What is Elasticsearch ? Elasticsearch is an open-source, highly scalable, full-text search and analytics engine. Its major advantage is that being a N…

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