ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,128, issued on Dec. 2.

"Statistics visibility control in enclave database" was invented by Xinying Yang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A database management system provided in a trusted execution environment controls the visibility of a requested statistic for a database table column based on the source of the request. The visibility control is based on a visibility level of the database table column to the source of the request. The visibility of the provided statistic can further be based on a security level of the database table column even if the source of the request is not a permitted viewer. The statistic can include f...