How to count total number of unique documents in MongoDB using Node.js ?
MongoDB, the most popular NoSQL database, we can count the number of documents in MongoDB Collection using the MongoDB collection.countDocuments() function. The mongodb module is used for connecting the MongoDB database as well as used for manipulating the collections and databases in MongoDB.
Installing module: You can install mongodb module using the following command.
npm install mongodb
Running the server on Local IP: Data is the directory where MongoDB server is present.
mongod --dbpath=data --bind_ip 127.0.0.1
Following is the sample data stored in your database for this example.
Run index.js file using the following command:
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