ALEXANDRIA, Va., July 7 -- United States Patent no. 12,675,484, issued on July 7, was assigned to Snowflake Inc. (Bozeman, Mont.).
"Pruning techniques for processing top K queries" was invented by Max Heimel (Berlin), Ismail Oukid (Berlin), Linnea Passing (Berlin), Stefan Richter (Berlin) and Juliane K. Waack (Berlin).
According to the abstract* released by the U.S. Patent & Trademark Office: "A top K query directed at a table is received. The table is organized into multiple storage units. The top K query comprises a first clause to sort a result set in order and a second clause that specifies a limit on a number of results provided in response to the query. A table scan operator identifies a first set of rows from the table based on a s...