Deleting multiple MongoDB documents
It's time for some database cleanup. More specifically, you're going to use .delete_many() to delete all movies that were released a long time ago, in one go.
Diese Übung ist Teil des Kurses
Introduction to MongoDB in Python
Anleitung zur Übung
- Delete all movies that have a
"release_year"before1990. - Print the number of deleted documents.
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
from pymongo import MongoClient
client = MongoClient()
mov = client.film.movies
# Delete all movies released before 1990
res = ____
# Print the number of deleted documents
print(____)