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Connection string

As explained in MongoDB 8.0 in Action, Third Edition

A connection string is a configuration string that specifies how a client connects to a database deployment, including its address and connection options.

A connection string is a URI that tells a client how to reach a MongoDB deployment. Atlas provides strings for connecting through tools such as mongosh or a database driver. section 2.5 section 3.5

Atlas SRV strings begin with mongodb+srv://. They simplify the address and let MongoDB discover servers in a replica set or sharded cluster automatically. Provide credentials and any required options when connecting. section 3.2.1

mongosh "mongodb+srv://YOUR_CLUSTER.YOUR_HASH.mongodb.net/" \
--apiVersion API_VERSION --username USERNAME –-password PASSWD

Use this mongosh command template with an Atlas SRV connection string, API version, and username. section 3.2.1

How MongoDB 8.0 in Action, Third Edition covers it

How deep it goes
Explains SRV server discovery and demonstrates connection commands, but does not detail the full URI option syntax.
Examples
Uses mongosh connection commands and a Node.js script that queries routes from JFK.
What it assumes
Assumes an Atlas cluster and database user; demonstrates retrieving its connection string through the Atlas CLI or interface.
What you can do after
Apply it via mongosh or the Node.js driver to connect a client to an Atlas deployment.
How it connects
Links MongoDB Atlas connections to mongosh, the Node.js driver, replica sets, and sharded clusters.
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