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Databricks | Spark ETL & Delta Lake Data Engineering Mastery (Udemy.com)

Learn Databricks from Spark ETL to Unity Catalog and Medallion pipelines to build scalable, high-impact data workflows

Created by: Oak Academy

Last updated October 2026

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What you will learn

  • Course Overview & Learning Path
  • Exam Guide Breakdown
  • What Databricks Is and Why It Matters for Data Engineering
  • Creating and Navigating Your Databricks Environment
  • Databricks User Interface Deep Dive
  • How Databricks Works as a Unified Platform
  • File and Notebook Management in Databricks
  • Databricks Compute Options & Cluster Settings
  • Databricks Notebook Environment & Essential Commands
  • Productivity Shortcuts for Faster Development
  • Lakehouse Architecture Fundamentals
  • Understanding the Medallion Layers (Bronze, Silver, Gold)
  • ACID Transactions & Delta Log Essentials
  • From DBFS to Unity Catalog
  • Unity Catalog Layers & Data Governance Fundamentals
  • Managed vs External Tables
  • Creating Catalogs, Schemas, Tables & Volumes
  • Getting Started with ETL and Apache Spark
  • Understanding the Olist Data Model

How it compares

Against the other 461 rated Udemy courses in Data Science on CourseDuck:

  • Rating4.5 out of 5higher than 46% of them
  • Reviews118#405 of 462 by number of reviews
  • Length22.9 hourslonger than 84% of them
  • Last updatedOctober 2026more recently than 99% of them

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Course Description

Welcome to “Databricks | Spark ETL & Delta Lake Data Engineering Mastery” course.

Learn Databricks from Spark ETL to Unity Catalog and Medallion pipelines to build scalable, high-impact data workflows


In today’s data-driven world, the ability to build scalable data pipelines using modern cloud platforms is a true superpower—and nowhere is this more impactful than mastering Databricks, Apache Spark, and the Lakehouse Architecture.

In this comprehensive course, you will learn how to transform raw datasets into clean, reliable, analytics-ready data using the full Medallion Architecture (Bronze → Silver → Gold), while developing practical skills expected from industry-ready data engineers.

Databricks combines the processing power of Apache Spark with the flexibility of the Lakehouse, enabling professionals to manage, clean, and analyze data efficiently. Whether you’re an aspiring data engineer, a student, or a working professional, this course equips you with the mindset, techniques, and hands-on skills to build modern data pipelines on one of the most in-demand platforms in the world.


Why This Course?

Building data pipelines in real organizations is messy. Raw datasets contain inconsistencies, missing values, duplicates, and other real-world challenges. Databricks solves these problems by combining Apache Spark’s distributed computing capabilities with enterprise-grade governance tools like Unity Catalog.

In this course, you will learn step-by-step how to clean, transform, validate, and analyze data while mastering tools such as:

  • Build end-to-end data pipelines using Apache Spark on Databricks

  • Apply the Medallion Architecture (Bronze → Silver → Gold) confidently

  • Use Unity Catalog for secure and scalable data governance

  • Clean, transform, enrich, and analyze real-world datasets

  • Apply data quality checks, normalization, and advanced Spark operations

  • Work with notebook workflows and Databricks compute efficiently

  • Create analytical datasets ready for dashboards, BI tools, or machine learning

  • Develop the mindset and skills of a professional data engineer working with complex, production-level data systems


You will build a complete end-to-end pipeline—from raw ingestion to high-value analytics—just like a professional data engineer working in cloud environments today.

By the end, you won’t just understand Databricks… you will think like a data engineer.


Why Mastering Databricks & Spark Matters

Databricks and Apache Spark are at the heart of modern data engineering. With companies shifting to the Lakehouse model, professionals who understand Spark transformations, Delta Lake reliability, and Unity Catalog governance are in extremely high demand.

This course gives you:

  • The technical foundation to work with big data

  • The practical experience to build scalable pipelines

  • The confidence to operate in real-world cloud environments

Whether you want to work as a Data Engineer, Analytics Engineer, or Cloud Data Specialist, these skills define the future of the industry.


What is Databricks and how is it used in modern data engineering?

Databricks is a cloud-based data engineering platform that integrates Apache Spark for high-performance ETL processing. It allows data engineers to build scalable data pipelines, manage Delta Lake tables with ACID transactions, and implement the Medallion Architecture (Bronze → Silver → Gold) to transform raw datasets into analytics-ready data. Databricks also provides notebook workflows, data governance with Unity Catalog, and tools to handle real-world data challenges like inconsistencies, missing values, and duplicates, making it a comprehensive solution for modern data workflows.


Why is learning Apache Spark on Databricks essential for data engineers?

Learning Apache Spark on Databricks is essential because it enables data engineers to process massive datasets efficiently using distributed computing. Spark on Databricks supports parallelized transformations, advanced data cleansing, and real-time analytics. Data engineers can implement Bronze, Silver, and Gold pipelines, apply data quality checks, enrich datasets, and prepare high-value analytical data for dashboards, BI tools, or machine learning models. Mastering Spark on Databricks provides the practical skills and industry-ready experience required to handle complex, production-level data systems in cloud environments.


What is the Medallion Architecture in Databricks, and why is it important for data pipelines?

The Medallion Architecture in Databricks organizes data into Bronze, Silver, and Gold layers, ensuring that raw data is progressively cleaned, validated, and enriched for analytics. Bronze stores raw ingestion, Silver provides curated and standardized datasets, and Gold delivers high-value analytical data ready for dashboards, reports, or machine learning. This architecture allows data engineers to build robust, scalable, and reliable pipelines, maintain data quality, and enable enterprise-level data governance using Delta Lake and Unity Catalog, making it essential for any modern data engineering workflow.


Why would you want to take this course?

Our answer is simple: The quality of teaching

OAK Academy based in London is an online education company OAK Academy gives education in the field of IT, Software, Design, development in Turkish, English, Portuguese, and a lot of different language on Udemy platform where it has over 2000 hours of video education lessons.

When you enroll, you will feel the OAK Academy`s seasoned developers' expertise


Video and Audio Production Quality

All our content is created/produced as high-quality video/audio to provide you the best learning experience

You will be,

  • Seeing clearly

  • Hearing clearly

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Udemy Discount

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Instructor Details

Oak Academy

Who is Oak Academy?

Oak Academy is a London-based online technology education company. We publish practical, structured video courses in cybersecurity, IT certification, artificial intelligence, data science, software development, and mobile technologies. More than 470,000+ learners have enrolled in Oak Academy courses on Udemy, leaving over 67,000+ reviews across our catalogue. Our courses are produced in English, Portuguese, and several other languages.

What does Oak Academy teach?

Our catalogue is organized around the skills employers actually hire for:

Cybersecurity and ethical hacking — penetration testing, network and web application security, Nmap, Metasploit, Wireshark, Kali Linux, and hands-on practice environments such as TryHackMe and Hack The Box.

IT certification prep — CompTIA A+, Network+, Security+, and newer tracks including CompTIA DataAI, mapped directly to current exam objectives.

Artificial intelligence and data science — Python, NumPy, Pandas, Matplotlib, machine learning with Scikit-learn, R programming, and end-to-end data projects.

Software and mobile development — Python, Java, JavaScript, Flutter and Dart, Android, iOS, and full-stack web development.

How are Oak Academy courses designed?

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Reviews

4.5

118 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Joris Craessaerts on 9/5/2026

Course is clearly spoken in by an AI voice. Course is way too verbose. Even spaces and special characters in SQL queries are spoken out literally, for example "select STAR from v numbers". Course is very irritating to listen to because of this. The spoken tempo is also very bizarre because of the AI voice. For example "Hello friend". This course could be half of the hours if it was just spoken in by a normal person instead of an irritating AI voice. Strange that this course has no negative reviews despite all of this which makes me wonder if the reviews of this course are posted by bots.

By David Odoom on 6/27/2026

Excellent. Excellent. Very logically presented, concise, easy to follow and easily assimilated. I took other courses and found them very tedious to follow and abandoned them (Retnasamy & Vaghadia). I glad i found this course. Have taken a previous one on Pandas and NumPy and was very impressed by his presentation, again compared to Maven Analytics

By Golam Kibria on 5/6/2026

enjoying each session..

By Bhasker Lakshmikanth on 3/11/2026

Very nicely compiled course. Introduces the Lakehouse and the medallion architecture and then the journey from bronze through gold. The combination of sql and python for the various transformation in the silver layer was very alternated giving the opportunity to build mental models. The author also suggested several business and intelligence/analytics reports and gave a good segway into thinking what value data can provide/power. Thank you for the very meticulously done course.

By david Hume on 12/2/2025

Great course with very clear explanations and a smooth learning flow. I really liked how the instructor showed both the fundamentals and practical use cases of Databricks. The examples made everything easy to understand, and I walked away with a solid foundation to use in my daily work.

By Yusuf Kayra ÇAVDAR on 12/2/2025

This Databricks course is extremely clear and engaging. The instructor explains modern data workflows in a simple way and shows exactly how Databricks is used in real companies. The lessons are well-paced, and I loved the clean, practical demonstrations. Highly recommended for anyone working with big data.

By George Volume on 12/2/2025

Excellent course for beginners! The explanations are simple and the pace is perfect, even if you are new to Databricks or cloud-based data platforms. I really appreciated how the instructor broke down each feature and showed how everything connects together. I learned a lot and I’m excited to keep practicing.

By Daniel Liva on 12/2/2025

This was one of the most practical Databricks courses I’ve taken. The instructor doesn’t waste time — everything is clear, hands-on, and directly useful for real work scenarios. I now feel confident using Databricks for ETL, notebooks, and workflows. Great course for anyone who wants to build job-ready skills.

By Joseph Kyra on 12/2/2025

Amazing learning experience! This course really helped me understand Databricks from both a technical and practical perspective. It’s perfect for boosting your career, especially if you want to move into data engineering or data analytics. The instructor does an excellent job keeping everything structured and easy to follow.

By Joseph rye on 12/2/2025

Amazing course! I learned more about Databricks in a few hours than I did in weeks of self-study. The lessons are clear, practical, and very engaging. The instructor’s teaching style is excellent — calm, detailed, and straight to the point. If you want to level up your data engineering or data science skills, this is the perfect course to start with.

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Overall Score : 90 / 100