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TKDE
2002
148views more  TKDE 2002»
14 years 2 days ago
Parallel Star Join + DataIndexes: Efficient Query Processing in Data Warehouses and OLAP
On-Line Analytical Processing (OLAP) refers to the technologies that allow users to efficiently retrieve data from the data warehouse for decision-support purposes. Data warehouses...
Anindya Datta, Debra E. VanderMeer, Krithi Ramamri...
VLDB
1991
ACM
145views Database» more  VLDB 1991»
14 years 4 months ago
A Taxonomy and Performance Model of Data Skew Effects in Parallel Joins
Recent work on parallel joins and data skew has concentrated on algorithm design without considering the causes and chara.cteristics of data. skew itself. Existming ana.lyt,ic mod...
Christopher B. Walton, Alfred G. Dale, Roy M. Jene...
VLDB
1992
ACM
140views Database» more  VLDB 1992»
14 years 4 months ago
Practical Skew Handling in Parallel Joins
We present an approach to dealing with skew in parallel joins in database systems. Our approach is easily implementable within current parallel DBMS, and performs well on skewed d...
David J. DeWitt, Jeffrey F. Naughton, Donovan A. S...
VLDB
1993
ACM
101views Database» more  VLDB 1993»
14 years 4 months ago
Analysis of Dynamic Load Balancing Strategies for Parallel Shared Nothing Database Systems
Paralleldatabasesystemshaveto supportboth inter-transaction as well as intra-transaction parallelism. Inter-uansaction parahelism (multi-user mode) is required to achieve high thr...
Erhard Rahm, Robert Marek