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ICCS
2001
Springer
14 years 3 days ago
Reverse Pivoting in Conceptual Information Systems
Abstract. In database marketing, the behavior of customers is analyzed by studying the transactions they have performed. In order to get a global picture of the behavior of a custo...
Joachim Hereth Correia, Gerd Stumme
ICDE
2007
IEEE
113views Database» more  ICDE 2007»
14 years 9 months ago
Reducing Order Enforcement Cost in Complex Query Plans
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
Ravindra Guravannavar, S. Sudarshan
VLDB
2004
ACM
245views Database» more  VLDB 2004»
14 years 1 months ago
A Multi-Purpose Implementation of Mandatory Access Control in Relational Database Management Systems
Mandatory Access Control (MAC) implementations in Relational Database Management Systems (RDBMS) have focused solely on Multilevel Security (MLS). MLS has posed a number of challe...
Walid Rjaibi, Paul Bird
DEBU
2006
166views more  DEBU 2006»
13 years 7 months ago
Oracle's Self-Tuning Architecture and Solutions
Performance tuning in modern database systems requires a lot of expertise, is very time consuming and often misdirected. Tuning attempts often lack a methodology that has a holist...
Benoît Dageville, Karl Dias
SIGMOD
2007
ACM
219views Database» more  SIGMOD 2007»
14 years 7 months ago
Efficient exploitation of similar subexpressions for query processing
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...
Jingren Zhou, Johann Christoph Freytag, Per-Å...