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ADBIS
2006
Springer
81views Database» more  ADBIS 2006»
16 years 24 days ago
Non-blocking Materialized View Creation and Transformation of Schemas
In existing systems, user transactions get blocked during materialized view creation and non-trivial database schema transformations. Blocking user transactions is not an option in...
Jørgen Løland, Svein-Olaf Hvasshovd
169
Voted
ICDE
2005
IEEE
107views Database» more  ICDE 2005»
16 years 12 days ago
Implementation of an Agent Architecture for Automated Index Tuning
It has been important to extend database management systems to support new requirements of applications and administration. We focus in this paper on the automatic tuning feature,...
Rogério Luís de Carvalho Costa, S&ea...
ADBIS
2005
Springer
116views Database» more  ADBIS 2005»
16 years 10 days ago
A Formal Model for the Problem of View Selection for Aggregate Queries
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
Jingni Li, Zohreh Asgharzadeh Talebi, Rada Chirkov...
VLDB
1998
ACM
95views Database» more  VLDB 1998»
15 years 11 months ago
The National Medical Knowledge Bank
This paper describes a massively parallel object relational (O/R) database used in an advanced development program to create a comprehensive medical information system called the ...
Warren Sterling
DEBU
1999
102views more  DEBU 1999»
15 years 6 months ago
Repository Support for Metadata-based Legacy Migration
Migrating legacy systems involves replacing (either wholly or partially) existing systems and databases, and complex transformations between old and new data, processes and system...
Sandra Heiler, Wang-Chien Lee, Gail Mitchell