ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,882, issued on June 24, was assigned to Tableau Software Inc. (Seattle).
"Adaptive interpretation and compilation of database queries" was invented by Thomas Neumann (Munich), Viktor Leis (Munich), Alfons Kemper (Munich), Tobias Muehlbauer (Munich) and Jan Finis (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method executes at a computer system to retrieve data from a database. Upon receiving a database query, the computer system translates the query into an intermediate representation, and estimates a compilation time to compile the intermediate representation into machine executable code. The query execution time to retrieve a result set...