US Patent Issued to Snowflake on June 9 for "Query processing using hybrid table secondary indexes" (California Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,650,969, issued on June 9, was assigned to Snowflake Inc. (Bozeman, Mont.).

"Query processing using hybrid table secondary indexes" was invented by Nikolaos Romanos Katsipoulakis (Redwood City, Calif.), Dimitrios Tsirogiannis (Belmont, Calif.) and Zhaohui Zhang (Redwood City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The subject technology determines whether a key exists in a parent table associated with a first transaction. The subject technology performs a first write operation on a child table. The subject technology determines whether a duplicate key exists in the child table based on the key of the first write operation. The subject tech...