8259 search results - page 674 / 1652 » Self-Tuning Database Systems |
218
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EDBT
1992
ACM
15 years 10 months ago
1992
ACM
The DBGraph storage model, designed for main memory DBMS, ensures both data storage compactness and efficient processing for all database operations. By representing the entire da...
173
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
In this paper we describe a rule-based approach to semantic specification that can be used to establish semantic agreement between a source and receiver. Query processing techniqu...
235
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ICDT
2010
ACM
15 years 9 months ago
2010
ACM
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...
180
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DBSEC
2007
15 years 8 months ago
2007
Abstract. The database server is a crucial bottleneck in traditional inference control architecture, as it enforces highly computation-intensive auditing for all users who query th...
195
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PODS
2010
ACM
15 years 7 months ago
2010
ACM
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...