3225 search results - page 613 / 645 » Query Optimization by Stored Queries |
CASCON
2000
13 years 11 months ago
2000
Information about a software system's execution can help a developer with many tasks, including software testing, performance tuning, and program understanding. In almost all...
DEDUCTIVE
1997
13 years 11 months ago
1997
We present a query language, called the Datalog++ , for deductive object-oriented databases. While a direct semantics for inheritance with overriding and encapsulation is desirabl...
WDAS
1998
13 years 11 months ago
1998
Declustering and replication are well known techniques used to improve response time of queries in parallel disk environments. As data replication incurs a penalty for updates, da...
COMAD
1994
13 years 11 months ago
1994
Many parallel join algorithms have been proposed in the last several years. However, most of these algorithms require that the amount of data to be joined is known in advance in o...
AMW
2009
13 years 10 months ago
2009
In data exchange, data are materialised from a source schema to a target schema, according to suitable source-to-target constraints. Constraints are also expressed on the target sc...