Introduction

What is find() ?

Selects documents in a collection or view and returns a cursor to the selected documents. It basically performs a query to find the documents and usually returns an array of all the results.

What is aggregate() ?

Aggregation operations process data records and return computed results. Aggregation operations group values from multiple documents together, and can perform a variety of operations on the grouped data to return a single result.

Okay, can find() work as aggregate()?

No, find() is just a method returning a cursor to the documents. So it does not provide any pipeline features and does not includes features like transformation of data and staging of data where…