#4: $group pipeline operator - MongoDB Aggregation Framework

In this video we'll see what the $group operator is in MongoDB and how it works with a simple example.

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[ABUTAHER-wggz]

actually, let have collection name is example where one field name is template and template values string temp-1, temp-2, temp-3, i want to get array of object temp-3=.... like means grouping by value

[prasannareddyisireddy]

_id : "$randomID", so that it displays actual attribute value

[reyajalam]

the "_id" is mandatory field

[Adam-krsw]

Can aggregation completely replace queries?