db.restaurants.find();

 db.restaurants.find({}).sort({name: 1}).limit(10);

var documentId = db.restaurants.findOne({})._id;
db.restaurants.findOne({_id: documentId});

db.restaurants.find({borough: "Queens"});

db.restaurants.count();

db.restaurants.findOne({"address.zipcode": "11206"});

var documentId = db.restaurants.findOne({}, {_id: true})._id;
db.restaurants.remove({_id: documentId});

var documentId = db.restaurants.findOne({}, {_id: true})._id;
db.restaurants.updateOne(
  {_id: documentId},
  {$set: {name: 'Bizz Bar Bang'}});

db.restaurants.updateMany(
  {'address.zipcode': '10035'},
  {$set: {'address.zipcode': '10036'}});