Top Databricks Interview Questions and Answers

Introduction

Databricks has become a key platform for modern data engineering. Many companies look for professionals with strong Databricks knowledge. This guide covers commonly asked Databricks interview questions.

Question 1: What is Databricks?

Databricks is a unified analytics platform built on Apache Spark that enables data engineering, machine learning, and analytics.

Question 2: What is Delta Lake?

Delta Lake is a storage layer that provides ACID transactions, schema enforcement, and time travel capabilities for data lakes.

Question 3: What is Lakehouse Architecture?

Lakehouse architecture combines the flexibility of data lakes with the reliability and performance of data warehouses.

Question 4: What is Unity Catalog?

Unity Catalog is a centralized governance layer used to manage permissions and data lineage across Databricks workspaces.

Question 5: What is Z-Ordering?

Z-Ordering improves query performance by colocating related data within files.

Conclusion

Preparing Databricks interview questions improves your understanding of real-world data engineering concepts and increases your chances of landing data engineering roles.