corporate data model, usually consisting of an entity relationship diagram (ERD), a data
item set (dis), and a physical model. The data marts are shaped by the dimensional model,
consisting of star joins, fact tables, and dimensions. The data vault is shaped by the data
vault data model.

The data lake is shaped by the selective subdivision of data.

Where Is the Data Warehouse?

One of the important questions that quickly arises is are there two data warehouses—a
standard data warehouse and a bulk data warehouse? Fig. 2.1.4 outlines this question.

Chapter 2.1: The End-State Architecture—The “World Map”