49 search results - page 7 / 10 » vldb 1995 |
VLDB
1995
ACM
15 years 1 months ago
1995
ACM
We describe a scheme to fragment and distribute centralized databases. ’ The problem is motivated by trends towards down-sizing and reorganization, reflecting actual, often dist...
VLDB
1995
ACM
15 years 1 months ago
1995
ACM
We provide several new sampling-based estimators of the number of distinct values of an attribute in a relation. We compare these new estimators to estimators from the database an...
VLDB
1995
ACM
15 years 1 months ago
1995
ACM
Traditionally, optimizers are “programmed” to optimize queries following a set of buildin procedures. However, optimizers should be robust to its changing environment to gener...
VLDB
1995
ACM
15 years 1 months ago
1995
ACM
New demandsare put on query processing in Object-Oriented(00) databasesto provide efficient andrelationally completequery languages. A flexible 00 data model requires overloading ...
VLDB
1995
ACM
15 years 1 months ago
1995
ACM
We describe SCC-kS, a Speculative Concurrency Control (SCC) algorithm that allows a DBMS to use efficiently the extra computing resources available in the system to increase the l...