1286 search results - page 215 / 258 » Scalable Package Queries in Relational Database Systems |
EDBT
2010
ACM
14 years 11 months ago
2010
ACM
Users who are unfamiliar with database query languages can search XML data sets using keyword queries. Current approaches for supporting such queries are either for textcentric XM...
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
SIGMOD
1996
ACM
15 years 1 months ago
1996
ACM
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
PVLDB
2010
14 years 8 months ago
2010
We demonstrate an efficient LINQ to SQL provider and its significant impact on the runtime performance of LINQ programs that process large data volumes. This alternative provider...