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2DMVfreq1

Data Cube Katharina Morik, Claus Weihs Informatik LS 8 Computergestützte Statistik Technische Universität Dortmund 7.04.2010 1 von 37 Informatik LS 8 Computergestützte Statistik Technische Universität Dortmund [...] darf statt VALUES ein SELECT-Ausdruck stehen, der Tupel aus der gegebenen Tabelle holt. 8 von 37 Informatik LS 8 Computergestützte Statistik Technische Universität Dortmund Einführung Aggregation in SQL [...] 2DMVfreq1 Informatik LS 8 Computergestützte Statistik Technische Universität Dortmund Einführung Aggregation in SQL, GROUP BY Probleme mit GROUP BY Der Cube-Operator Implementierung des Data Cube Zusa …