Symbolic query exploration. (English)
Breitman, Karin (ed.) et al., Formal methods and software engineering. 11th international conference on formal engineering methods, ICFEM 2009, Rio de Janeiro, Brazil, December 9‒12, 2009. Proceedings. Berlin: Springer (ISBN 978-3-642-10372-8/pbk). Lecture Notes in Computer Science 5885, 49-68 (2009).
Summary: We study the problem of generating a database and parameters for a given parameterized SQL query satisfying a given test condition. We introduce a formal background theory that includes arithmetic, tuples, and sets, and translate the generation problem into a satisfiability or model generation problem modulo the background theory. We use the satisfiability modulo theories (SMT) solver Z3 in the concrete implementation. We describe an application of model generation in the context of the database unit testing framework of Visual Studio.
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