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	<title>Comment Feed for Channel 9 - Margus Veanes and Pavel Grigorenko - Qex - Symbolic SQL Query Exploration</title>
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		<title>Channel 9 - Margus Veanes and Pavel Grigorenko - Qex - Symbolic SQL Query Exploration</title>
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	<description>Margus Veanes and
Pavel Grigorenko present a new exciting project:
Qex. Pavel did an internship&amp;nbsp;in the&amp;nbsp;Research in Software Engineering team&amp;nbsp;(RiSE)&amp;nbsp;investigating automatic data generation methods for parameterized
 SQL queries. In this video, he shows the result of his 3-month work. Qex translates SQL queries to logic formulas and give to our in-house constraint solver,
Z3. When Z3 finds a solution, Qex translates that solution back to SQL code that can be executed in the database. This is similar to how&amp;nbsp;Pex
 works. 

Find more about Qex at http://research.microsoft.com/qex&amp;nbsp;or read the
technical report.

The&amp;nbsp;Research in Software Engineering team (RiSE) coordinates Microsoft&#39;s research in Software Engineering in Redmond, USA.
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	<pubDate>Wed, 19 Jun 2013 03:57:27 GMT</pubDate>
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