About this document
03 DW Modeling by biwam75142 is a document available to read on EtoBox.
The document discusses dimensional modeling in data warehousing, emphasizing the differences between OLTP and OLAP systems, normalization versus denormalization, and the structure of fact and dimension tables. It introduces various schema designs, including star and snowflake schemas, and outlines the design steps for creating a data model using a pizza sales example. Additionally, it covers slowly changing dimensions and their types, detailing how to manage data changes over time.
- Author
- biwam75142
- Language
- EN