Data Modeling: Star, Snowflake, Galaxy, Data Vault, Wide-Table
Cause you’re a sky, full of stars, I’m gonna give my heart.” 🎶 Today we’ll be exploring the galaxies and the stars of data modeling.
performanceA collection of 4 posts
Data Modeling: Dive into data normalization levels
Normal forms sound scary? We make 1 NF to 5 NF clear and show when bending the rules speeds up your queries.
Data Format: From CSV to Delta and Beyond
Still living on CSV? Discover how Parquet cuts storage bills and how Delta, Hudi and Iceberg add ACID power and time travel to your lake.
Analytical vs Transactional: Why You Can’t Mix Oil and Water
Sprint or marathon? OLTP keeps apps lightning fast, OLAP digs deep for insights. Learn why one engine can’t do both and how to keep each at top speed.