ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,881, issued on Oct. 28, was assigned to Amazon Technologies Inc. (Seattle).
"Secure query processing" was invented by Andrei Paduroiu (Bellevue, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A distributed database identifies classifications of risk associated with stages of a query plan. The distributed database generates an execution plan in which incompatible risk classifications are assigned to separate stages of an execution plan that is derived from the query plan. The stages are assigned to computing nodes for execution based, at least in part, on the risk classifications. A result for the query is generated based on execution of the st...