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VLDB
2007
ACM
146views Database» more  VLDB 2007»
16 years 6 months ago
A Cost-Estimation Component for Statement Sequences
Query generators producing sequences of SQL statements are embedded in many applications. As the execution time of such sequences is often far from optimal, their optimization is ...
Tobias Kraft
VLDB
2007
ACM
118views Database» more  VLDB 2007»
16 years 6 months ago
Eliminating Impedance Mismatch in C++
Recently, the C# and the VISUAL BASIC communities were tantalized by the advent of LINQ [18]--the Language INtegrated Query technology from Microsoft. LINQ represents a set of lan...
Joseph Gil, Keren Lenz
SIGMOD
2009
ACM
150views Database» more  SIGMOD 2009»
16 years 6 months ago
DBDOC: querying and browsing databases and interrelated documents
Large collections of documents are commonly created around a database, where a typical database schema may contain hundreds of tables and thousands of columns. We developed a syst...
Carlos Garcia-Alvarado, Carlos Ordonez, Zhibo Chen...
SIGMOD
2009
ACM
114views Database» more  SIGMOD 2009»
16 years 6 months ago
A framework for testing query transformation rules
In order to enable extensibility, modern query optimizers typically leverage a transformation rule based framework. Testing individual rule correctness as well as correctness of r...
Hicham G. Elmongui, Vivek R. Narasayya, Ravishanka...
SIGMOD
2007
ACM
150views Database» more  SIGMOD 2007»
16 years 6 months ago
Exploiting self-monitoring sample views for cardinality estimation
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
Jingren Zhou, Per-Åke Larson, Peter Zabback,...