Latest Posts
data-warehousing • APR 18, 2026
Data Warehousing Fundamentals & Kimball Dimensional Modeling
A practical guide to building business-driven data warehouses. Learn how to bridge the gap between software engineering and analytics using Kimball's dimensional modeling techniques.
spark • APR 9, 2026
How Delta Lake Works Under the Hood
Learn how Delta Lake brings ACID transactions and reliability to your object storage data lakes.
spark • MAR 24, 2026
How Apache Spark Works Under the Hood (Explained Simply)
Learn the building blocks of Spark and how it works under the hood.
spark • MAR 15, 2026
Narrow vs. Wide Transformations in PySpark
Learn the difference between narrow and wide transformations in Apache Spark and how they impact performance.