👐 $limit

If we return too many documents but we're interested in only a few, we can limit the number of documents returned using $limit.

Atlas UI

[
  { $limit: 1 }
]

MongoDB Shell

db.books.aggregate([
  { $limit: 1 }
])

This returns just one document.

👐 Return just 7 books.

Answer

Atlas UI

[
  { $limit: 7 }
]

MongoDB Shell

db.books.aggregate([
  { $limit: 7 }
])