Data modeling: designing for queries
How to model data so analytics stays fast over billions of rows: OLTP against OLAP, the star schema with facts, dimensions and grain, slowly changing dimensions and point-in-time accuracy, columnar formats, partitioning and Z-ordering, rollups and materialized views, the ETL load order, and the classic modeling mistakes.
01 · Previously
W08 · DAY 03 · Data Modeling for Analytics
Where do the numbers live?
Previously: stream and batch
Previously, on Day 2, you chose between streaming and batch.
0:00 / 17:24