253 search results - page 18 / 51 » Physical Database Design for Data Warehouses |
DMDW
2001
15 years 1 months ago
2001
Accurately estimating the cardinality of aggregate views is crucial for logical and physical design of data warehouses. While the warehouse is under development and data are not a...
114
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WEBDB
2001
Springer
15 years 4 months ago
2001
Springer
In this paper, we propose to use database technology to improve performance of web proxy servers. We view the cache at a proxy server as a web warehouse with data organized in a h...
154
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SIGMOD
2009
ACM
15 years 12 months ago
2009
ACM
Large collections of documents are commonly created around a database, where a typical database schema may contain hundreds of tables and thousands of columns. We developed a syst...
VLDB
1997
ACM
15 years 3 months ago
1997
ACM
We present a design for multi-version concurrency control and recovery in a main memory database, and describe logical and physical versioning schemes that allow read-only transac...
100
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PVLDB
2010
14 years 6 months ago
2010
Database evolution is the process of updating the schema of a database or data warehouse (schema evolution) and evolving the data to the updated schema (data evolution). Database ...