GET ALL
db.restaurants.find();

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

GET BY ID
var myId = db.restaurants.findOne({}, {_id: true})._id;
db.restaurants.findOne({_id: myId});

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

COUNT
db.restaurants.count();

COUNT BY NESTED
db.restaurants.find({'address.zipcode': '11206'}).count()

DELETE BY ID
var myId = db.restaurants.findOne({}, {_id: true})._id;
db.restaurants.removeOne({_id: myId});

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

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