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Adaface Sample Firestore Questions

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


🧐 Question


Firestore Subcollections
                                    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:
                                    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


  • A
  • B
  • A C
  • A D
  • B C
  • B D
🧐 Question🔧 Skill


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

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