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: 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

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:

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
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

🧐 Question

🔧 Skill

Medium

Firestore Subcollections

3 mins

Firestore

Solve

	🧐 Question	🔧 Skill	💪 Difficulty	⌛ Time
	Firestore Subcollections	Firestore	Medium	3 mins	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: 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

💪 Difficulty

⌛ Time

Firestore Subcollections

Firestore

Medium

3 mins

Solve

Trusted by recruitment teams in enterprises globally

We evaluated several of their competitors and found Adaface to be the most compelling. Great library of questions that are designed to test for fit rather than memorization of algorithms.

Swayam Narain, CTO, Affable

Join 1500+ companies in 80+ countries.

Try the most candidate friendly skills assessment tool today.

GET STARTED FOR FREE

Ready to streamline your recruitment efforts with Adaface?

Chat with us

Start 14-day free trial

40 min tests.
No trick questions.
Accurate shortlisting.

Pricing

Features

Integrations

AI Resume Parser

Singapore (HQ)
32 Carpenter Street, Singapore 059911
Contact: +65 9447 0488
India
WeWork Prestige Atlanta, 80 Feet Main Road, Koramangala 1A Block, Bengaluru, Karnataka, 560034
Contact: +91 6305713227

Adaface Sample Firestore Questions

Skills

Programming Languages

Data Science

Frontend

Backend

Mobile

Software Engineering Basics

Data Engineering

Cloud Engineering

Test Engineering

Product

Aptitude

Accounting

Others

Trusted by recruitment teams in enterprises globally

40%