- Tags:: [[Data Modeling]] What is OBT? >....ditching the star schema and just building denormalized big tables instead, that is, join all joinable fields to create a large multi-purpose table and making views over this table to be the data marts exposed to the end-users ([Modern Data Warehouse Modelling: The Definitive Guide - Part 2](https://hightouch.io/blog/data-warehouse-modelling-part-2/)) ^586b16