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Netezza bags Tesco
Sep '08
Netezza announced that Tesco has installed its market-leading data warehouse appliance to power market basket analysis and track stock wastage. The move from Teradata for this project was designed to improve the performance and class of technology in Tesco's data centre, while driving down all associated costs.

Widely recognised as the world leader in understanding retail customer behaviour and loyalty programmes, Tesco has tracked different data warehousing vendors coming to maturity in the market, and is keen to keep pace with business change. Marcel Borlin, Programme Manager at Tesco explains, “We examined a number of vendors in great detail. We were looking to realise savings; not only on the purchase cost, but on the total cost of ownership too.

The physical footprint and power and cooling requirements in the data centre were also important factors. The Netezza system needs literally a fraction of the space, power and cooling of our existing systems. We also needed better performance than our current Teradata platform can offer, and our Netezza system is performing very well on both queries and data loads; up to five times faster.”

“We currently have around 25 heavy analytical users running large queries on Netezza,” continued Borlin. “They are analysing transactional discrepancies across millions of items and item movements every day, right through the supply chain; from stores to distribution centres.

The specific application is designed to find wastage such as stolen, destroyed, out-of-date or lost items. It is an important function, as it affects the financial position of the Company. Yet, on the Teradata platform we had to allocate time slots for running these analyses, or the system would grind to a halt.”

Dave Kloc, Vice President for European Operations at Netezza added, “The team at Tesco was simply able to move this application from its Teradata system onto Netezza and start running all of the queries it wanted to, with no adverse impact on users.

With no restrictions on the complexity of queries it can perform, or how often they can run them, the team at Tesco is better-placed to make informed business decisions that will have a very positive impact on the bottom-line of the business. It will also extend the life of Tesco's existing legacy systems.”

The Netezza system was installed with data conversion complete in just days. It was operational within just three weeks; scripted and synchronised with existing systems. Over the coming months, another six key users from the marketing department will also move to Netezza for market basket analysis.

Netezza systems are built specifically to analyse terabytes of detailed data significantly faster than existing data warehouse options, at a much lower total cost of ownership. They store, filter and process terabytes of records within a single unit, analysing only the relevant information for each query.

Netezza has placed the CPU power next to the data, allowing its systems to speed through processes that would occupy most data warehouse systems for hours, or even days, thereby enabling dramatic increases in productivity across the organisation.

Netezza Corporation

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