Firestore Interview Questions
Check out 30 of the most common Firestore interview questions and take an AI-powered practice interview
What is Firestore and when should you use it?
How do you connect to Firestore?
What are the basic data types in Firestore?
How do you create and manage databases in Firestore?
What are tables/collections in Firestore?
How do you perform CRUD operations in Firestore?
What are primary keys and foreign keys in Firestore?
How do you write basic queries in Firestore?
What are joins/lookups in Firestore?
How do you handle NULL values in Firestore?
What are constraints in Firestore?
How do you import/export data in Firestore?
How do you optimize queries in Firestore?
What is indexing in Firestore?
How do you handle transactions in Firestore?
What are stored procedures/functions in Firestore?
How do you implement data validation in Firestore?
What is normalization/denormalization in Firestore?
How do you handle concurrent access in Firestore?
What are triggers in Firestore?
How do you implement full-text search in Firestore?
What is query execution plan in Firestore?
How do you handle large datasets in Firestore?
What are views in Firestore?
How do you monitor performance in Firestore?
How do you implement sharding in Firestore?
What is replication strategy in Firestore?
How do you handle distributed Firestore?
What are advanced optimization techniques in Firestore?
How do you implement high availability in Firestore?
Frequently Asked Questions
What is Firestore used for?
Firestore is widely used for storing, managing, and retrieving data efficiently. It's valued for its performance, reliability, and extensive ecosystem.
How long does it take to learn Firestore?
Learning Firestore basics typically takes 1-3 months of dedicated study. Achieving proficiency requires 6-12 months of practice and real-world projects. Mastery comes with years of experience and continuous learning.
What are the job prospects for Firestore developers?
Firestore developers are in high demand across industries. With strong Firestore skills, you can pursue roles in database administration, data engineering, with competitive salaries ranging from ₹6-22 LPA.
What prerequisites are needed for learning Firestore?
Understanding of data structures and basic SQL are helpful prerequisites for learning Firestore.
Which companies use Firestore?
Major companies using Firestore include Google, Amazon, Microsoft, Meta, Netflix, and many more. Firestore is adopted across startups to enterprise organizations.
Introduction
Preparing for database interviews with Firestore expertise? Database knowledge is fundamental for any developer working with data-driven applications.
Firestore is widely used for data storage, retrieval, and management. Understanding its architecture, query optimization, and best practices is essential.
This guide covers Firestore interview questions ranging from basic CRUD operations to advanced topics like indexing, replication, and performance tuning.
Whether you're a backend developer or data engineer, these questions will help you demonstrate strong database expertise.
