4137 search results - page 177 / 828 » Managing Expressions as Data in Relational Database Systems |
167
click to vote
VLDB
1990
ACM
15 years 10 months ago
1990
ACM
Therequirementsfor amain memorydatastoragemodel are both compactnessand efficient processing for all database operations. The DBGraph storage model, proposed in this paper, achiev...
153
click to vote
BTW
2007
Springer
16 years 19 days ago
2007
Springer
: Database-internal statistics are very important for cost-based query optimizers. Only if an optimizer has accurate statistical information about data, it provides excellent execu...
165
click to vote
CACM
2008
15 years 5 months ago
2008
During the last decade, multidimensional databases have become common in the business and scientific worlds. Analysis places significant demands on the interfaces to these databas...
181
click to vote
AMW
2009
15 years 4 months ago
2009
We address schema design in uncertain databases. Since uncertain data is relational in nature, decomposition becomes a key issue in design. Decomposition relies on dependency theo...
168
click to vote
VLDB
1990
ACM
15 years 10 months ago
1990
ACM
In this paper, we present an efficient algorithm for managing replicated data. We impose a logical tree structure on the set of copies of an object. In a failurefree environment t...