Tutorials
MongoDB $out Example | The MongoDB Aggregation Pipeline
We show you how to use the MongoDB $out stage to output documents of an aggregation query to a new collection.
Posted on: 26/11/2019 (last updated: 03/11/2023) • Kathryn Vargas • 2 minutesMongoDB $project Example | The MongoDB Aggregation Pipeline
The $project stage is extremely useful for showing only the fields you need. In this article, we walk through an example of the $project stage in tandem with $lookup.
Posted on: 26/11/2019 (last updated: 03/11/2023) • Kathryn Vargas • 3 minutesMongoDB $lookup Example | The MongoDB Aggregation Pipeline
In this article, we show you two ways to run a MongoDB $lookup using Studio 3T. $lookup lets you join data from two collections, as long as they are on the same database.
Posted on: 26/11/2019 (last updated: 16/10/2023) • Kathryn Vargas • 4 minutesHow to Copy MongoDB Databases Across Servers
Studio 3T’s handy guide to transferring MongoDB databases across connections.
Posted on: 04/09/2019 (last updated: 04/08/2021) • Paul Rebar • 2 minutesExport MongoDB to SQL in 5 steps
How to export MongoDB to SQL in five steps using Studio 3T’s MongoDB to SQL Migration feature.
Posted on: 03/06/2019 (last updated: 17/03/2025) • Kirsty Burgess • 3 minutesImport a SQL Database to MongoDB in 5 Steps
The quickest way to import an entire SQL database to MongoDB.
Posted on: 10/04/2019 (last updated: 17/03/2025) • Kirsty Burgess • 3 minutesHow To Merge Multiple SQL Tables Into One MongoDB Collection
Here’s how you can use Studio 3T’s SQL Migration feature to merge multiple SQL tables during import to create a new MongoDB collection.
Posted on: 21/03/2019 (last updated: 28/04/2025) • Kathryn Vargas • 8 minutesSQL Server to MongoDB Data Transfer Using Extended JSON
Learn how to transfer databases from SQL Server to MongoDB (and vice versa) using Extended JSON.
Posted on: 07/03/2019 (last updated: 04/08/2021) • Phil Factor • 7 minutes