14306 search results - page 612 / 2862 » Database System Concepts |
167
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ADBIS
2006
Springer
16 years 1 months ago
2006
Springer
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...
186
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ICDE
2005
IEEE
16 years 24 days ago
2005
IEEE
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,...
184
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ADBIS
2005
Springer
16 years 23 days ago
2005
Springer
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...
217
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VLDB
1998
ACM
15 years 11 months ago
1998
ACM
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 ...
217
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ISCC
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract—Identity Management (IdM) on the application layer improves the usability and security for end users by offering features like Single Sign-On and attribute provisioning....