Changes can be very slight, having little or no impact, or they can be massive, as in the case of the introduction of a new enterprise resource planning (ERP) system that will, at a stroke, change the major source of data to the warehouse. Designing a data warehouse that is able to cope with such changes is similar to designing a 100-story building in an earthquake zone.
Changes can be very slight, having little or no impact, or they can be massive, as in the case of the introduction of a new enterprise resource planning (ERP) system that will, at a stroke, change the major source of data to the warehouse. Designing a data warehouse that is able to cope with such changes is similar to designing a 100-story building in an earthquake zone.