LET var mydb = db.restaurants

FIND ALL
  mydb.find()
FIND FIRST TEN SORTED BY ALPHABETICAL ORDER
  mydb.find().sort({name: 1}).limit(10)
FIND ANY ITEM
  var id = mydb.findOne({}, {_id: 1})
  mydb.find(id)
FIND ALL WITH BOROUGH=QUEENS
  mydb.find({borough:"Queens"})
FIND NUMBER OF ITEMS IN COLLECTION
  mydb.count()
FIND NUMBER OF ITEMS WITH "address.zipcode" FIELD EQUAL TO "11206"
  mydb.find({"address.zipcode": "11206"}).count()
DELETE AN ITEM
  var id = mydb.findOne({}, {_id: 1})
  mydb.delete(id)
UPDATE AN ITEM
  var id = mydb.findOne({}, {_id: 1})
  mydb.update(id, {name: "Fizz Bar Bang"})
UPDATE MANY ITEMS
  mydb.updateMany({"address.zipcode": "11206"}, {$set:{"address.zipcode": "11205"}})