International Business Machines Corporation

Ronald James Pomeroy

Anthony Di Loreto

Enzo Cialini

David Richard Godwin

Ciby Mathew

Jason Michael Gartner

Wallace W Y Chen

A computer implemented method, apparatus, and computer usable program code for automatically generating a query. Data and occurrence is described using a sequence type. The data and occurrence from the sequence type are matched to a sequence type pattern. Sentences in a query language are generated automatically using the sequence type pattern for testing an ability of a query processing engine to interpret queries.

Method to generate semantically valid queries in the XQuery language

A system and method for testing a database system which includes external file references to files stored on a remote file system. A control table within the database management system which enables controlled but random access to files on the remote file system that are accessed through external file references. A tool within the remote file system maintains the control table and creates, deletes and exercises the test files within the external file system. Triggers on base tables within the database management system are used to maintain the integrity of the control table.

Method and means for evaluating the performance of a database system referencing files external to the database system

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North York, Canada

Ronald James Pomeroy