ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,387, issued on April 21, was assigned to Oracle International Corp. (Redwood Shores, Calif.).
"Mirage instance of a database server" was invented by Mehul D. Bastawala (Sunnyvale, Calif.) and Ravi Thammaiah (Redwood City, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Instances of a database server can be of two kinds, regular or mirage that respectively handle database requests in sessions behaving normally or abnormally, and based on changes in behavior, sessions are relocated therebetween. Behavior of sessions is evaluated based on statistics generated in processing requests in individual steps within one or more stages, such as parse sta...