Data processing: database and file management or data structures – Database and file access – Preparing data for information retrieval
Reexamination Certificate
2006-10-11
2010-10-05
To, Baoquoc N (Department: 2162)
Data processing: database and file management or data structures
Database and file access
Preparing data for information retrieval
C707S641000
Reexamination Certificate
active
07809735
ABSTRACT:
Reports, based on aggregation operations on data in a data warehouse, may be efficiently generated. At least two separate aggregation processes are performed on facts of a fact table. Each of a plurality of aggregation processors accesses a separate partition of the facts of the fact table. Each aggregation processor applies the at least two separate aggregation processes are applied to the partition of the facts accessed by that aggregation processor and, for each of the at least two separate aggregation processes, an intermediate result of applying that separate aggregation process by that aggregation processor is saved. For each of the at least two separate aggregation processes, the intermediate results, of applying the aggregation processing for that process by the aggregation processors, are merged.
REFERENCES:
patent: 5864842 (1999-01-01), Pederson et al.
patent: 6567803 (2003-05-01), Ramasamy et al.
patent: 2004/0139061 (2004-07-01), Colossi et al.
patent: 2006/0218123 (2006-09-01), Chowdhuri et al.
To Baoquoc N
Weaver Austin Villeneuve & Sampson LLP
Yahoo ! Inc.
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