CS 157B: Database Management Systems II April 10 Class Meeting Department of Computer Science San Jose State University Spring 2013 Instructor: Ron Mak

Department of Computer Science Spring 2013: April 10 CS 157B: Database Management Systems II © R. Mak 2 Midterm on Data Warehousing  Purpose of a data warehouse  Extract, Transform, and Load (ETL)  Dimensional modeling star schema fact table dimension tables  Business Intelligence (BI)  Online Analytical Processing (OLAP) select dimensions drill up and drill down slice and dice pivot  Cognos popular OLAP tool  Data mining predictive analytics search for patterns

Department of Computer Science Spring 2013: April 10 CS 157B: Database Management Systems II © R. Mak 3 Introduction to Data Virtualization  Guest lecture by Jim Green, CEO, Composite Software Next Wednesday, April 17, both sections  Data virtualization creates a virtual data layer. Facilitate the discovery, integration, and federation of disparate, distributed information sources. Create a transparent, real-time interface to information for users and application developers. Securely manage unified views across files, databases, and packaged applications. Enable client applications to browse, query, update, and manage information  from across the enterprise  from any number or type of data source

Department of Computer Science Spring 2013: April 10 CS 157B: Database Management Systems II © R. Mak 4 The Composite Information Server (CIS)