770 search results - page 123 / 154 » An Approach to Querying Multiple Object Databases |
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
SQL in the IBM® DB2® Universal Database™ for Linux®, UNIX®, and Windows® (DB2 UDB) database management product has been extended to support nested INSERT, UPDATE, and DELET...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
BIRTHDAY
2003
Springer
14 years 1 months ago
2003
Springer
Abstract: In the automotive and aerospace industry, millions of technical documents are generated during the development of complex engineering products. Particularly, the universa...
ER
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Schema integration is the activity of providing a unified representation of multiple data sources. The core problems in schema integration are: schema matching, i.e. the...
ADC
2004
Springer
14 years 2 months ago
2004
Springer
Aggregating spatial objects is a necessary step in generating spatial data cubes to support roll-up/drill-down operations. Current approaches face performance bottleneck issues wh...