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Data Bricks Interview Questions
Databricks is a cloud-based data engineering, analytics, and AI platform built on top of Apache Spark. It helps organizations process large amounts of data, build data pipelines, perform analytics, and develop machine learning models in one unified platform.
4.4 (2540)6,140 learners20 lessons45m
Curriculum
Topic
- Lakehouse vs Data Lake + Data Warehouse: What’s the Real Difference?2:00
- What Happens Between the Control Plane and Data Plane When You Run a Databricks Notebook?1:59
- Why Databricks Runs in Your Cloud Account — And Why It Matters for Security2:01
- How Databricks Separates Storage from Compute — The Core Architecture Behind Its Scalability2:02
- What Is a Databricks Workspace and How Does It Connect Clusters, Jobs, Catalogs, and Users?2:29
- Databricks Workspace: The Central Hub for Users, Clusters, Jobs & Catalogs2:52
- Databricks Runtime vs Open-Source Spark: What Do You Lose When You Leave?2:13
- Databricks Serverless Compute: What Happens When There’s No Cluster to Manage?2:21
- Delta Transaction Log: How ACID Works on Top of Parquet Files2:11
- Delta Lake Time Travel: Recovering a Table After an Accidental Truncate2:01
- OPTIMIZE vs VACUUM vs ZORDER in Delta Lake: When Should You Use Each in Production?2:12
- Liquid Clustering vs Z-Order vs Partitioning: Best Strategy for a 50 TB Multi-Filter Table2:20
- Deletion Vectors vs Copy-on-Write: How Delta Lake Speeds Up MERGE and DELETE Operations2:15
- Delta UniForm: Querying Delta Tables from Iceberg and Hudi Without Data Rewrites2:32
- Delta Lake Schema Evolution: What’s Automatic, What Needs mergeSchema, and What Can Break Your Pipeline?2:22
- Concurrent Writes in Delta Lake: What Happens When Two Streaming Jobs Hit the Same Table?2:11
- Managed vs External Tables in Databricks: Which One Should You Choose in 2026?2:08
- VACUUM with 0-Hour Retention: Why Delta Lake Time Travel Suddenly Broke2:09
- Zero-Downtime Migration: Converting a 10 TB Parquet Table to Delta Lake Safely2:13
- Small Files in Delta Lake: Every Lever You Can Use to Fix Read Performance2:16