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» Multi-objective Query Processing for Database Systems
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COMAD
2008
13 years 10 months ago
Native Multidimensional Indexing in Relational Databases
In existing database systems there is a strong need for searching data according to many attributes. In commercial database platforms, the standard search over multiple attributes...
David Hoksza, Tomás Skopal
SSDBM
2002
IEEE
149views Database» more  SSDBM 2002»
14 years 1 months ago
A Cost Model for Interval Intersection Queries on RI-Trees
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
SIGMOD
2000
ACM
141views Database» more  SIGMOD 2000»
14 years 1 months ago
Counting, Enumerating, and Sampling of Execution Plans in a Cost-Based Query Optimizer
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
Florian Waas, César A. Galindo-Legaria
DOLAP
2009
ACM
14 years 3 months ago
View usability and safety for the answering of top-k queries via materialized views
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...
Eftychia Baikousi, Panos Vassiliadis
SIGMOD
2011
ACM
238views Database» more  SIGMOD 2011»
12 years 11 months ago
Data management over flash memory
Flash SSDs are quickly becoming mainstream and emerge as alternatives to magnetic disks. It is therefore imperative to incorporate them seamlessly into the enterprise. We present ...
Ioannis Koltsidas, Stratis Viglas