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26 Jan, 2025

Top 10 Entry-Level Database Interview Questions and Answers for 2025

Prepare for entry-level database interviews with these top 10 questions and answers. Learn what a database interview consists of and key concepts for 2025.

26 Jan, 2025

Top Tips to Prepare for DBA SRE and Scripting Interviews in 2025

Prepare for DBA, SRE, and scripting interviews with tips on mastering database optimization, automation, and tackling dba sre scripting interview questions.

20 Jan, 2025

What Are the Most Common Database Types Asked in Interviews

Relational databases like MySQL and PostgreSQL are most used in database interviews. Learn how NoSQL and specialized databases also play key roles.

04 Jan, 2025

Most Frequently asked Interview Questions of facebook(2024)

Facebook's culture and values are deeply rooted in the company's mission to connect people and build communities. Here are the core aspects of Facebook’s culture and values:

04 Jan, 2025

Most Frequently asked Interview Questions of facebook

Designing Facebook’s messaging system is a complex challenge that requires a highly scalable, reliable, and low-latency architecture to support billions of users exchanging messages in real-time. The system needs to handle text messages, multimedia content (images, videos, etc.), notifications, and group chats, all while ensuring data privacy, security, and high availability.

04 Jan, 2025

Most Frequently asked facebook Interview Questions (2024)

Facebook, as one of the largest social media platforms in the world, serves billions of active users worldwide. To maintain such a vast and reliable service, Facebook employs a variety of strategies to ensure high availability (HA) and reliability. These strategies involve the infrastructure, systems design, and operational practices that guarantee Facebook's services remain accessible, resilient, and performant even under heavy traffic, failures, or unexpected events.

04 Jan, 2025

Most Frequently asked facebook Interview Questions and Answers

Facebook uses A/B testing and experimentation as essential tools for product development and optimization. This approach enables Facebook to make data-driven decisions by testing changes to its features, interfaces, algorithms, and other aspects of the platform on a small scale before rolling them out to all users. The goal is to improve user experience, enhance product features, and validate hypotheses with real-world data.

04 Jan, 2025

Most Frequently asked facebook Interview Questions

Implementing a like or comment system on Facebook requires careful consideration of scalability, performance, and user experience. Given the high volume of interactions on Facebook, the system must be designed to handle billions of users, ensuring low latency and high availability. Below is a breakdown of how I would design such a system: