How to count total number of documents in MongoDB Collection using Node.js ?
Last Updated :
27 May, 2022
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.
node install mongodb
Project Structure:
Running the server on Local IP: Data is the directory where the MongoDB server is present.
mongod --dbpath=data --bind_ip 127.0.0.1
MongoDB Database:
Database:GFG
Collection:aayush
Following is the sample data stored in your database for this example.
Filename: index.js
Javascript
const MongoClient = require( "mongodb" );
const databasename = "GFG" ;
MongoClient.connect(url).then((client) => {
const connect = client.db(databasename);
const collection = connect.collection( "aayush" );
collection.countDocuments().then((count_documents) => {
console.log(count_documents);
}). catch ((err) => {
console.log(err.Message);
})
}). catch ((err) => {
console.log(err.Message);
})</div>
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Run index.js file using the following command:
node index.js
Output:
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