July 22, 2008 - The Phone House, the German subsidiary of The Carphone Warehouse, is replacing its enterprise data warehouse with Netezza’ Netezza Performance Server (NPS).


The project forms part of The Phone House's ongoing business intelligence (BI)strategy, which aims to improve the performance and functionality of the data warehouse while reducing its maintenance overheads.


Klaus Zumdick, head of BI at The Phone House explained, "Our current data warehouse is failing to deliver queries in an acceptable time frame, and the latency of data over our network means it's no longer fit for purpose. The NPS system will allow us to massively reduce the time it takes us to load and recover business critical data. We currently have 500GB of indexes that take hours to load. Using the index-free Netezza data warehouse appliance will shrink these processes to literally minutes."


The NPS system is a data warehouse appliance built specifically to analyze terabytes of detailed data. It stores, filters and processes terabytes of data within a single unit, analysing only the relevant information for each query.

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