Node.js MongoDB Create Collection

Node.js MongoDB: Create Collection

MongoDB stores data in collections rather than tables. This guide shows you how to create a new collection from Node.js using the official MongoDB driver and the createCollection() method.

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Install the MongoDB Driver

npm install mongodb

Example: Create the “employees” Collection

// employees.js
const { MongoClient } = require('mongodb');
const url = "mongodb://localhost:27017";
const dbName = "MongoDatabase";

MongoClient.connect(url, function(err, client) {
  if (err) throw err;
  const db = client.db(dbName);
  db.createCollection("employees", function(err) {
    if (err) throw err;
    console.log("Collection is created!");
    client.close();
  });
});

Run the Script

node employees.js
# Output: Collection is created!

Modern async/await Version

const { MongoClient } = require('mongodb');

async function run() {
  const client = new MongoClient("mongodb://localhost:27017");
  await client.connect();
  const db = client.db("MongoDatabase");
  await db.createCollection("employees");
  console.log("Collection created!");
  await client.close();
}
run().catch(console.error);

Note: Implicit Creation

MongoDB creates a collection automatically when you insert the first document ÔÇö explicit createCollection() is only needed for options like capped collections, validation, or specific indexes.

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Conclusion

Creating MongoDB collections in Node.js is a one-line call to createCollection(). Prefer async/await for modern code and remember MongoDB auto-creates collections on first insert. For more tutorials, stay tuned to .

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