Question 1:
use sample_analytics
db.customers.find({email:“nicoleanderson@hotmail.com”},{username:1, _id:0})
Output:
[{ username: “millerrenee”}]
Question 2:
use sample_mflix
db.movies.find({title:“The Kid Brother”},{runtime:1, _id:0})
Output:
[{runtime:82}]
Question 3:
use sample_airbnb
db.listingsAndReviews.countDocuments({accommodates:15})
Output:
3