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» An Automatic Correction Tool for Relational Algebra Queries
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ICCSA
2007
Springer
13 years 10 months ago
An Automatic Correction Tool for Relational Algebra Queries
Abstract. Relational algebra is one of the main topics covered in undergraduate computer science database courses. In this paper, we present a web-based tool designed to automatica...
Josep Soler, Imma Boada, Ferran Prados, Jordi Poch...
FLOPS
2010
Springer
13 years 11 months ago
Applying Constraint Logic Programming to SQL Test Case Generation
We present a general framework for generating SQL query test cases using Constraint Logic Programming. Given a database schema and a SQL view defined in terms of other views and s...
Rafael Caballero, Yolanda García-Ruiz, Fern...
SIGMOD
1993
ACM
140views Database» more  SIGMOD 1993»
13 years 8 months ago
Second-Order Signature: A Tool for Specifying Data Models, Query Processing, and Optimization
Abstract: We propose a framework for the specification of extensible database systems. A particular goal is to implement a software component for parsing and rule-based optimizatio...
Ralf Hartmut Güting
IMECS
2007
13 years 6 months ago
Analysis of a Mixed-Signal Circuit in Hybrid Process Algebra ACPsrt
— ACPsrt hs is a hybrid process algebra obtained by extending a combination of two existing extensions of Algebra of Communicating Processes (ACP), namely the process algebra wit...
Ka L. Man, Michel P. Schellekens
OTM
2005
Springer
13 years 10 months ago
Probabilistic Ontologies and Relational Databases
The relational algebra and calculus do not take the semantics of terms into account when answering queries. As a consequence, not all tuples that should be returned in response to ...
Octavian Udrea, Yu Deng, Edward Hung, V. S. Subrah...