00956nam a2200217Ia 4500 CTU_172292 210402s9999 xx 000 0 und d 2198680 658.4038 T481 Thomsen, Erik OLAP solutions : Building multidimensional information systems Erik Thomsen New York Wiley Computer Pub 2002 OLAP enables users to access information from multidimensional data warehouses almost instantly, to view information in any way they like, and to cleanly specify and carry out sophisticated calculations. Although many commercial OLAP tools and products are now available, OLAP is still a difficult and complex technology to master. Decision support systems,Hệ thống hỗ trợ quyết định mai, Hải Trung tâm Học liệu Trường Đại học Cần Thơ