ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,117, issued on Nov. 18.

"System and method for determining object cardinality in object store database systems" was invented by Sung Jin Kim (Buena Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a database system, wherein data is stored as objects within an object storage system, a system and method for estimating object cardinality, determining query execution plan costs, and selecting a query plan for execution by the database system. Multiple object cardinality estimation approaches for estimating the number of objects to be accessed for a given query condition on a column of a relation composed of a set of objects, where each obj...