716 search results - page 78 / 144 » Optimizing Queries in Extended Relational Databases |
CIDR
2007
15 years 23 days ago
2007
Database indices provide a non-discriminative navigational infrastructure to localize tuples of interest. Their maintenance cost is taken during database updates. In this paper, w...
OOPSLA
2007
Springer
15 years 5 months ago
2007
Springer
Current real-world software applications typically involve heavy use of relational and XML data and their query languages. Unfortunately object-oriented languages and database que...
114
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FLOPS
2010
Springer
15 years 6 months ago
2010
Springer
We present a general framework for generating SQL query test cases using Constraint Logic Programming. Given a database schema and a SQL view defined in terms of other views and s...
PODS
2008
ACM
15 years 11 months ago
2008
ACM
Conjunctive query (CQ) evaluation on relational databases is NP-complete in general. Several restrictions, like bounded tree-width and bounded hypertree-width, allow polynomial ti...
105
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NAR
1998
14 years 11 months ago
1998
The Genome Database (GDB, http://www.gdb.org ) is a public repository of data on human genes, clones, STSs, polymorphisms and maps. GDB entries are highly cross-linked to each oth...