Documents Data Warehousing & OLAP. 2 What is Data Warehouse? “A data warehouse is a subject-oriented,...

Slide 1 Data Warehousing & OLAP Slide 2 2 What is Data Warehouse? “A data warehouse is a subject-oriented, integrated, time-variant, and nonvolatile collection of data…

Documents An Introduction to Data Warehousing Yannis Kotidis AT&T Labs-Research.

Slide 1 An Introduction to Data Warehousing Yannis Kotidis AT&T Labs-Research Slide 2 2Yannis Kotidis Roadmap What is the data warehouse Multi-dimensional data modeling…