ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,320, issued on Feb. 24, was assigned to Dynatrace LLC (Boston).
"Identification of primary and foreign keys" was invented by Thomas Krismayer (Urfahr-Umgebung, Austria) and Otmar Ertl (Linz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method is presented for determining primary keys in a table of a database system. The method includes: determining a number of rows in the table; for a given column of the table, generating a probabilistic data structure for the given column, where the probabilistic data structure is partitioned into a plurality of registers and configuration parameters for the probabilistic data struc...