ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,369, issued on April 14, was assigned to SAP SE (Walldorf, Germany).
"Online, efficient and cost-optimized database index consistency checks" was invented by Shu-mu Du (Shanghai), Wen-long Cao (Shanghai), Tianlun Chen (Shanghai) and Hu Yin (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and computer-readable storage media for reading a page stored in a database system, each page storing rows of data, for a first index row of a first page, determining that the first index row is absent from being recorded in a hash table, and in response, storing a first record of the first index row in the hash table, the first record inc...