686 search results - page 34 / 138 » A query simulation system to illustrate database query execu... |
BTW
1993
Springer
14 years 2 months ago
1993
Springer
It is clearly crucial for the success of object-oriented databases to find effiĆ cient implementations that improve on the performance of relational sysĆ tems, rather than being...
SIGMOD
2007
ACM
14 years 11 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
ICDE
2012
IEEE
12 years 1 months ago
2012
IEEE
Abstract—Relational database management systems are general in the sense that they can handle arbitrary schemas, queries, and modifications; this generality is implemented using...
SIGMOD
1996
ACM
14 years 2 months ago
1996
ACM
METU INteroperable Database System (MIND) is a multidatabase system that aims at achieving interoperability among heterogeneous, federated DBMSs. MIND architecture is based on OMG...
FUIN
2006
13 years 10 months ago
2006
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...