Google Professional Cloud Developer
Get started today
Ultimate access to all questions.
Comments
Loading comments...
Ultimate access to all questions.
How should you design the Firestore schema for an application that stores and displays user-submitted comments on news articles, while supporting an unknown number of comments and articles?
A
Store each comment in a subcollection of the article.
B
Add each comment to an array property on the article.
C
Store each comment in a document, and add the comment's key to an array property on the article.
D
Store each comment in a document, and add the comment's key to an array property on the user profile.