DW 2.0: The Architecture for the Next Generation of Data Warehousing

Chapter 6 Methodology and approach for DW 2.0

To be successful with DW 2.0, organizations need to adopt a spiral development approach in which numerous small iterations of data warehouse development are accomplished frequently. There should be a period of no longer than 3 months for each iteration of development. The spiral development approach to the building of a data warehouse is a standard practice that has proven its worth around the world as people build data warehouses.

So what is the spiral methodology all about? To describe the spiral methodology, it is necessary first to have a look at its exact opposite, the waterfall development methodology. The diagram in Figure 6.1 illustrates the typical waterfall development methodology life ...