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The Traveler's Web: An Extreme Searcher Guide to Travel Resources on the InternetAccording to a recent survey by the Travel Industry Association of America, nearly 80 million Americans turned to the Internet for help with travel planning in 2005. The same survey reports that the Internet is now used for some aspect of travel planning in more than 75 percent of all trips. You can count on these numbers rising in the years ahead.... | | | | Managing Worldwide Operations and Communications With Information TechnologyA data warehouse consists of a set of materialized views that contain derived data from several data sources. Materialized views are beneficial because they allow efficient retrieval of summary data. However, materialized views need to be refreshed periodically in order to avoid staleness. During a materialized view refresh only changes to the base... |
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