3225 search results - page 123 / 645 » Query Optimization by Stored Queries |
PVLDB
2010
13 years 7 months ago
2010
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
SIGMOD
1996
ACM
14 years 1 months ago
1996
ACM
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...
INFOSCALE
2007
ACM
13 years 10 months ago
2007
ACM
Large-scale Parallel Web Search Engines (WSEs) needs to adopt a strategy for partitioning the inverted index among a set of parallel server nodes. In this paper we are interested ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Trees and graphs are widely used to model biological databases. Providing efficient algorithms to support tree-based or graph-based querying is therefore an important issue. In th...