I've never been a fan of managing infrastructure, so I decided to build the Social Stats app using a serverless architecture. MongoDB Atlas offers several serverless cloud services – including Atlas Data API, Atlas GraphQL API, and Atlas Triggers – that make building serverless apps easy. ...
Now, install MongoDB via Homebrew with the following command: brew install mongodb Make a note of the directory where MongoDB is installed as shown in the “Summary” output. You’ll need this later to launch the MongoDB service. Download and run the Node.js installer from http://nodejs...
Namespace Insights tracks collection-level query latency in MongoDB Atlas, offering visibility into latency metrics and statistics for specific hosts and operation types (all operation types, reads, writes, and commands). Users can manage pinned namespaces (i.e. collections, in this context) ...
1. Tailing the MongoDB Oplog At the heart of MongoDB’s native replication system is theoplog (operation log), a capped collection that logs every write operation—insert, update, and delete—performed on your MongoDB cluster. By tailing the oplog, you can stream CDC events from the source...
To start, import the public GPG key for the latest stable version of MongoDB by running the following command. If you intend to use a version of MongoDB other than4.4, be sure to change4.4in the URL portion of this command to align with the version you want to install: ...
While MongoDB supports secondary indexes, they are not required for every scenario. This means that reads may be slightly slower with MongoDB than some relational databases (because you need to read more fields from disk), but writes are generally faster because there is no index maintenance in...
// we write, concat("first_name",' ',"last_name")//Double quotes quote field name, Single quotes are for strings // or concat(first_name,' ', last_name)//allow to omit double quotes copy No $ prefix with MongoDB operator and collection field name. ...
And that’s just one way of querying data in Studio 3T. There’s alsoIntelliShell, the built-in mongo shell with robust auto-completion;Aggregation Editor, the stage-by-stage aggregation query builder; andSQL Query, which lets you write SQL to query your MongoDB database. ...
To query document databases, we need to install the MongoDB server. Here are the platform-specific instructions: For Windows, follow the instructions on this link. For Unix-like systems, you can install MongoDB from the terminal: $ sudo apt-get install -y mongodb Powered By Then, inside...
Now that we have understood what Unique Constraint in MongoDB, let us learn the standard syntax to write this Unique method. db.collection_name.createIndex( {field_name : 1} , {unqiue : true} ) Explanation:Now, as you can see in the above syntax, we have created a simple index, whic...