Data Warehouse in BigQuery  —  Tracking Changes In Dimensions

Data Warehouse in BigQuery  —  Tracking Changes In DimensionsReading Time: 4 Minutes Read In this series of blog posts, I’ll describe the difficulties we encountered when we created a data warehouse on BigQuery. This first post is about tracking changes in dimensions. Definitions If you are already familiar with terms used in data warehousing, you can skip this part. Dimension: “A dimension is a structure that categorizes facts […]