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Adaface Sample Firestore Questions

Here are some sample Firestore questions from our premium questions library (10273 non-googleable questions).

Skills

🧐 Question

Medium

Firestore Subcollections
Solve
                                    We want to create a Firestore collection as follows: Collection to be called rooms and for every document in rooms, there should be a subcollection called messages. Here's schema that we wish to achieve:
                                    
 image
                                    Which of the following statements are true?
            
            A: Collections cannot exist inside documents
            B: Collections can exist inside documents as subcollections
            C: When a document is deleted, subcollections within the document are automatically deleted
            D: When a document is deleted, subcollections are not deleted and has to be deleted manually
                                    
🧐 Question🔧 Skill

Medium

Firestore Subcollections
3 mins
Firestore
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Firestore Subcollections
Firestore
Medium3 mins
Solve

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