ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,610, issued on Nov. 25, was assigned to Petal Cloud Technology Co. Ltd. (Dongguan, China).
"Database file backup method and apparatus, and electronic device" was invented by Xuefeng Li (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A database (DB) file backup method and apparatus, and an electronic device are provided. The method includes: an electronic device segments a DB file, to obtain local subfiles of the DB file, obtains a first local subfile from the local subfiles, and uploads the first local subfile to a server, where the first local subfile is a local subfile that does not have a corresponding server side subfile in the se...