As a developer migrating an on-premises MySQL database for a social media platform to Google Cloud's Firestore, how would you design the Firestore collections to store user profiles and posts effectively?

Exam-Like

Create one root collection for user profiles, and create one root collection for user posts.

9.5%

Create one root collection for user profiles, and create one subcollection for each user's posts.

76.2%

Create one root collection for user profiles, and store each user's post as a nested list in the user profile document.

9.5%

Create one root collection for user posts, and create one subcollection for each user's profile.

4.8%

Google Professional Cloud Developer