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» Execution strategies for SQL subqueries
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VLDB
2007
ACM
166views Database» more  VLDB 2007»
15 years 9 months ago
Supporting Time-Constrained SQL Queries in Oracle
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...
Ying Hu, Seema Sundara, Jagannathan Srinivasan
ICDE
2007
IEEE
89views Database» more  ICDE 2007»
15 years 1 months ago
A Flexible Query Graph Based Model for the Efficient Execution of Continuous Queries
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...
ICDE
2009
IEEE
153views Database» more  ICDE 2009»
15 years 11 months ago
Efficient Distribution of Full-Fledged XQuery
Abstract-- We investigate techniques to automatically decompose any XQuery query into subqueries, that can be executed near their data sources; i.e., function-shipping. In this sce...
Ying Zhang, Nan Tang, Peter A. Boncz
SSDBM
2007
IEEE
121views Database» more  SSDBM 2007»
15 years 3 months ago
Cost-based Optimization of Complex Scientific Queries
High energy physics scientists analyze large amounts of data looking for interesting events when particles collide. These analyses are easily expressed using complex queries that ...
Ruslan Fomkin, Tore Risch
101
Voted
RIDE
1996
IEEE
15 years 1 months ago
A Multidatabase System Implementation on CORBA
METU INteroperable DBMS (MIND) is a multidatabase system based on OMG's distributed object management architecture. It is implemented on top of a CORBA compliant ORB, namely,...
Asuman Dogac, Cevdet Dengi, Ebru Kilic, Gökha...