ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,877, issued on March 25, was assigned to Snowflake Inc. (Bozeman, Mont.).
"Tracking intermediate changes in database data" was invented by Torsten Grabs (San Mateo, Calif.), Istvan Cseri (Seattle) and Benoit Dageville (San Mateo, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and devices for tracking a series of changes to database data are disclosed. A method includes executing a transaction to modify data in a micro-partition of a table of a database by generating a new micro-partition that embodies the transaction. The method includes associating transaction data with the new micro-partition, wherein the transaction data...