Appliances are taking up permanent residence in the heart of the enterprise data center — the data warehouse (DW). DW appliances — in all their bewildering proliferation — are moving into the mainstream. The reason? They are preconfigured, modular devices that support quick deployment for DW killer applications — most notably, accelerating online analytical processing (OLAP) queries against large, multidimensional data sets. DW appliances prepackage and pre-optimize the processing, storage, and software components for fast OLAP and fast data loading.
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