US Patent Issued to Nippon Telegraph and Telephone on March 4 for "Database system, distributed processing apparatus, database apparatus, distributed processing method and distributed processing program" (Japanese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,242,635, issued on March 4, was assigned to Nippon Telegraph and Telephone Corp. (Tokyo).

"Database system, distributed processing apparatus, database apparatus, distributed processing method and distributed processing program" was invented by Mitsuhiro Shigematsu (Musashino, Japan) and Naoto Yamamoto (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A database system includes: a distributed processing apparatus 1; and a plurality of database apparatuses 2, in which the distributed processing apparatus 1 includes: a generation unit 12 that generates an execution plan for a query related to the database apparatuses 2 based on a security po...