Master MongoDB 7 for modern application development.
Learn document database concepts and best practices.
Why MongoDB?
✅ Flexible schema
✅ Horizontal scaling
✅ JSON-like documents
✅ Powerful aggregation
Basic Operations
// Connect
const { MongoClient } = require(‘mongodb’);
const client = new MongoClient(uri);
// Insert
await collection.insertOne({ name: “John”, age: 30 });
// Find
const users = await collection.find({ age: { $gt: 25 } }).toArray();
// Update
await collection.updateOne({ name: “John” }, { $set: { age: 31 } });
Aggregation Pipeline
db.orders.aggregate([
{ $match: { status: “completed” } },
{ $group: { _id: “$customer”, total: { $sum: “$amount” } } }
]);
Conclusion
MongoDB is perfect for modern flexible data needs!