lab7

// Insert a document into a collection named 'users' 

db.users.insertOne({ name: "John", age: 30, city: "New York" }); 

// Find all documents in the 'users' collection 

db.users.find(); 

// Find documents with a specific condition 

db.users.find({ age: { $gte: 25 } });  // Find users with age greater than or equal to 25 

// Update a document in the 'users' collection 

db.users.updateOne({ name: "John" }, { $set: { age: 35 } }); 

// Delete a document from the 'users' collection 

db.users.deleteOne({ name: "John" });