Get all
db.restaurants.find();

Limit and Sort
db.restaurants.find().
  sort({name: 1 }).
  limit(10)

Get by _id
restaurant_id = db.restaurants.findOne({}, {_id: true})._id
db.restaurants.find({_id:restaurant_id})

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

count
db.restaurants.count()

Count by Nested Value
db.restaurants.find({document.address.zipcode: 11206}).count()

Delete by Id
restaurant_id = db.restaurants.findOne({}, {_id: true})._id; //find query - find first item and then return the iD component
db.restaurants.removeOne({_id:restaurant_id})

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

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