Compact slicing and dicing
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For a long time, data warehousing on a terabyte scale has been the preserve of the largest and wealthiest corporations - retailers, telecoms companies, banks. The reason is simple - cost.
Customers of the high-end data warehousing vendors - NCR's Teradata, IBM and Oracle - typically spend more than $1 million a year with their supplier just on upgrades and maintenance. Initial purchase prices reaching into eight figures are not uncommon. The technolog- ists justify that not just by the value that their products deliver, but the cost of developing the algorithms, the parallel hardware and the proprietary database engines that drive the data analysis.
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