ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,914, issued on Feb. 11, was assigned to MICROSOFT TECHNOLOGY LICENSING LLC (Redmond, Wash.).
"Versioned metadata using virtual databases" was invented by Hari Krishna Sunder (Redmond, Wash.), Sandeep Lingam (Redmond, Wash.), Donald Cha (Bellevue, Wash.) and Srikumar Rangarajan (Sammamish, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Distributed database systems including a plurality of SQL compute nodes are described herein that enable such nodes to operate with versioned metadata despite the fact that SQL is only single-version aware. The distributed database system further includes a global logical metadata server to store and manage versi...