ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,078, issued on Aug. 5, was assigned to SAP SE (Walldorf, Germany).
"Calculated dictionary column readers" was invented by Nico Bohnsack (Ingersleben, Germany), Andreas Amler (Heidelberg, Germany), Paul Willems (Heidelberg, Germany) and Manuel Mayr (Walldorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Arrangements for a reading scheme for column-oriented databases are provided. A virtual column may be generated by applying a structured query language operation on distinct values in a column of data in a table. Based on applying the structured query language operation, the virtual column may be populated with corresponding precalculated val...