US Patent Issued to Oracle International on Dec. 30 for "Efficient evaluation of queries across multiple columnar storage tiers" (California Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,308, issued on Dec. 30, was assigned to Oracle International Corp. (Redwood Shores, Calif.).

"Efficient evaluation of queries across multiple columnar storage tiers" was invented by Sheldon Andre Kevin Lewis (San Mateo, Calif.) and Teck Hua Lee (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multiple-tier operation evaluates a query across storage tiers in columnar format. A database server receives from a client a query for reading values from a set of columns of a database table. The multiple-tier operation comprises accessing a first subset of rows for the set of columns in columnar format in a first tier to generate a first s...