ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,308, issued on Feb. 24, was assigned to Snowflake Inc. (Bozeman, Mont.).
"Tracking changes in database data" was invented by Istvan Cseri (Seattle), Torsten Grabs (San Mateo, Calif.) and Benoit Dageville (San Mateo, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes detecting, by at least one hardware processor, a change request for a table of a database, the table comprising a plurality of micro-partitions. A transaction associated with the change request is executed at a first timestamp. The transaction causes replacement of a first micro-partition of the plurality of micro-partitions with a second micro-partition. A change tr...