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BNCOD
2006
92views Database» more  BNCOD 2006»
13 years 7 months ago
An Overview of a Scalable Distributed Database System SD-SQL Server
We present a scalable distributed database system called SD-SQL Server. Its original feature is dynamic and transparent repartitioning of growing tables, avoiding the cumbersome ma...
Witold Litwin, Soror Sahri, Thomas J. E. Schwarz
BNCOD
2006
55views Database» more  BNCOD 2006»
13 years 7 months ago
On the Optimal Ordering of Maps, Selections, and Joins Under Factorization
We examine the problem of producing the optimal evaluation order for queries containing joins, selections, and maps. Specifically, we look at the case where common subexpressions i...
Thomas Neumann, Sven Helmer, Guido Moerkotte