Updating a single document
It looks like there's an error in the database entry for The Revenant.
The release year is incorrect, and it's missing its Oscar win. You can see these errors by running this code in the shell:
mov.find_one({ "title": "the revenant" })
Let's fix this!
⚠️ Heads up! The exercises in this chapter modify the database. If you run the same code multiple times, you may see different results. Refresh the web page in your browser if you want to start with a clean slate.
This exercise is part of the course
Introduction to MongoDB in Python
Exercise instructions
- Define the
query_filterto match the movie"the revenant"(use this casing). - Complete the definition of
updateto set"won_oscar"toTrueand"release_year"to2015. - Perform the actual update, using
query_filterandupdate. - Print out how many documents were modified.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Define the title filter
query_filter = {
____: ____
}
# Define the update dictionary
update = {
____: {
____: ____,
____: ____
}
}
# Perform the update
res = mov.____
# How many records were modified?
print(____)