569 search results - page 101 / 114 » Materialized Views in Oracle |
172
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SIGMOD
2007
ACM
15 years 11 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
158
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SIGMOD
2007
ACM
15 years 11 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
154
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SIGMOD
2007
ACM
15 years 11 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
159
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SIGMOD
2005
ACM
15 years 11 months ago
2005
ACM
Relational DBMS typically execute concurrent queries independently by invoking a set of operator instances for each query. To exploit common data retrievals and computation in con...
MOBISYS
2007
ACM
15 years 10 months ago
2007
ACM
We report on the design, implementation, and evaluation of a system called Cedar that enables mobile database access with good performance over low-bandwidth networks. This is acc...