ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,329, issued on July 1, was assigned to Teradata US Inc. (San Diego).
"Range partitioned in-memory joins" was invented by Michael Warren Watzke (Fitchburg, Wis.) and Bhashyam Ramesh (Secimderabad, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some examples, in response to a join query to join a plurality of tables, a first processing engine retrieves tuples of a first table from a subset of objects of a data store, and adds content of the retrieved tuples to an in-memory table, where the objects are range partitioned across a plurality of processing engines based on respective ranges of values of at least one join attribute in the join query...