This page describes how to deploy a federated database instance for accessing data in an Atlas cluster.
Before you begin, you will need to:
- Create a MongoDB Atlas account, if you do not have one already.
Create an Atlas Cluster, if you do not have one already. Atlas Data Federation supports Atlas clusters deployed to AWS, Azure, or Google Cloud.Note
To use your Atlas cluster as a data store, you must deploy it to the same project as your federated database instance.
- Add data to at least one collection on your Atlas cluster if you have not already.
Create the virtual databases, collections, and views and map the databases, collections, and views to your data store.
(Optional) Click the for the:
- Data Lake to specify a name for your federated database instance.
Database to edit the database name. Defaults to
databases.[n].nameJSON configuration setting.
Collection to edit the collection name. Defaults to
databases.[n].collections.nameJSON configuration setting.
- View to edit the view name.
You can click:
- Create Database to add databases and collections.
- associated with the database to add collections to the database.
associated with the collection to add views on the collection. To create a view, you must specify:
- The name of the view.
The pipeline to apply to the view.Note
The view definition pipeline cannot include the
$mergestage. If the view definition includes nested pipeline stages such as
$facet, this restriction applies to those nested pipelines as well.
To learn more about views, see:
- associated with the database, collection, or view to remove it.
- Data Lake to specify a name for your federated database instance. Defaults to
- Select External from the dropdown in the Datasets section.
Drag and drop the data store to map with the collection.
databases.[n].collections.[n].dataSourcesJSON configuration setting.