MongoDb Crud operation in Node js With Source Code

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

// Connection URL

const url = 'mongodb://127.0.0.1:27017';

// Database Name

const dbName = 'ecomm';

// Create a new document

async function createDocument(collection, document) {

  const client = await MongoClient.connect(url);

  const db = client.db(dbName);

  const result = await db.collection(collection).insertOne(document);

  console.log('Document created:', result.insertedId);

  client.close();

}

// Read documents

async function readDocuments(collection, query) {

  const client = await MongoClient.connect(url);

  const db = client.db(dbName);

  const documents = await db.collection(collection).find(query).toArray();

  console.log('Documents found:', documents);

  client.close();

}

// Update a document

async function updateDocument(collection, filter, update) {

  const client = await MongoClient.connect(url);

  const db = client.db(dbName);

  const result = await db.collection(collection).updateOne(filter, update);

  console.log('Document updated:', result.modifiedCount);

  client.close();

}

// Delete a document

async function deleteDocument(collection, filter) {

  const client = await MongoClient.connect(url);

  const db = client.db(dbName);

  const result = await db.collection(collection).deleteOne(filter);

  console.log('Document deleted:', result.deletedCount);

  client.close();

}

// Usage crud

createDocument('users', { name: 'John Doe', age: 30 });

readDocuments('users', { age: { $gte: 25 } });

updateDocument('users', { name: 'John Doe' }, { $set: { age: 35 } });

//deleteDocument('users', { name: 'John Doe' });