db.restaurants.find();
db.restaurants.find().sort({name: 1}).limit(10);
var myId = db.restaurants.findOne({}, {_id: true})._id;
db.restaurants.findOne({_id: myId});
db.restaurants.find({borough: "Queens"});
db.restaurants.count();
db.restaurants.find({'address.zipcode': '11206'}).count()
var myId = db.restaurants.findOne({}, {_id: true})._id;
db.restaurants.removeOne({_id: myId});
var myId = db.restaurants.findOne({}, {_id: true})._id;
db.restaurants.updateOne(
  {_id: myId},
  {$set: {name: 'Bizz Bar Bang'}});
db.restaurants.updateMany(
  {'address.zipcode': '10035'},
  {$set: {'address.zipcode': '10036'}});