Many of our clients have asked us about whether it’s time to consider replacing their aging data warehouses with data warehouse appliance technologies. I chock up this emerging interest to the reality that data warehouse life spans are 3 to 4 years and platforms need to be refreshed. Given the recent crop of announcements by vendors like Oracle and Teradata along with the high visibility of newer players like Netezza, Paraccel, and Vertica.

The benefit of a data warehouse appliance is that includes all of the hardware and software in a preconfigured solution that dramatically simplifies running and managing a data warehouse. (Some of the vendors have taken that one step further and actually sell software that is setup to work with specially defined commodity hardware configurations). Given the price/performance differences between the established data warehouse products and the newer data warehouse appliances, it only makes sense that these products be considered as alternatives to simply upgrading the hardware.

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