Large increases in test coverage must come from automating the generation of tests. This paper describes a method to rapidly create a very large number of SQL statements without human intervention. The SQL statements are generated stochastically .... RAGS is currently used by the Microsoft SQL Server [ref] testing group. ... [p. 619] Our approach is to execute the same query on multiple vendor's DBMSs and then compare the results.
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By permission of the Very Large Database Endowment