ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,878, issued on March 25, was assigned to Ocient Holdings LLC.
"Implementing superset-guaranteeing expressions in query execution" was invented by Jason Arnold (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes determining a query expression indicating a query for execution against a plurality of rows. A superset-guaranteeing expression is generated in conjunctive normal form (CNF) based on the query expression. A query operator execution flow is generated to include a plurality of index-based IO operators based on the superset-guaranteeing expression and to further include at least one additional operator. Execution of the qu...