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// insertOne — returns { acknowledged: true, insertedId: ObjectId(...) } const result = await db.collection('users').insertOne({ name: "Carol", email: "carol@example.com", age: 28, createdAt: new Date() }) console.log('Inserted:', result.insertedId) // insertMany — bulk insert const bulk = await db.collection('products').insertMany([ { name: "Keyboard", price: 79.99, stock: 150 }, { name: "Mouse", price: 39.99, stock: 200 }, { name: "Monitor", price: 349.99, stock: 50 } ], { ordered: false }) // continue on error console.log('Inserted count:', bulk.insertedCount) console.log('IDs:', bulk.insertedIds) // Custom _id (must be unique) await db.collection('config').insertOne({ _id: "appSettings", theme: "dark", language: "en" })
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