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🎄 Christmas Sale is live: 20% off + new courses inside
Learn how real RAG systems, Iceberg tables, and modern analytics workflows actually work. And so much more!
Dec 22, 2025
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Andreas Kretz
10 Essentials That Make You a Better Data Engineer
Why the best data engineers rely on planning, judgment, and curiosity - not just their tech stack.
Jul 8, 2025
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Andreas Kretz
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The Future of Data Observability
Why Data Observability is Becoming Essential for Modern Data Engineering
Sep 25, 2024
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Andreas Kretz
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Data Engineering Roadmap for Data Analysts
Feb 22, 2024
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Andreas Kretz
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The Data Engineering Skills Matrix
Mar 13, 2024
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Andreas Kretz
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10 Essentials That Make You a Better Data Engineer
Jul 8, 2025
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Andreas Kretz
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Breaking into Data Engineering as a Fresher
Jun 3, 2024
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Andreas Kretz
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Data Engineering Roadmap for Data Scientists
Feb 29, 2024
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Andreas Kretz
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How to Become a Senior Data Engineer
Mar 18, 2024
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Andreas Kretz
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Dimensional Data Modeling Made Simple
Learn how to build scalable, high-performance data models for OLAP data stores
Sep 11, 2024
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Andreas Kretz
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The Realities of Working in Germany as a Data Engineer
Unpacking Salaries, Taxes, and What’s Left Over at the End of the Month
Sep 4, 2024
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Andreas Kretz
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Crafting Your Personal Brand in the Data Industry
Discover useful strategies to elevate your career and connect with your audience authentically
Aug 28, 2024
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Andreas Kretz
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The Power of Time Series Databases
Why They’re Essential for Modern Data Management
Aug 21, 2024
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Andreas Kretz
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From India to the U.S.: Becoming a Data Engineer at Toyota
Learn how Ayan Tiwari made the leap from civil engineering in India to a successful career in data engineering at Toyota North America
Aug 14, 2024
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Andreas Kretz
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The Hidden Flaws of Data Tools & Platforms
Uncover the Truth Behind the Hype and Make Informed Decisions
Aug 7, 2024
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Andreas Kretz
GenAI From an Engineer's Perspective
Exploring the Transformative Impact of Generative AI and RAG in Data Engineering
Jul 31, 2024
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Andreas Kretz
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