US Patent Issued to Oracle International on Dec. 9 for "Handling data skew for parallel execution with server mapping plans" (California Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,631, issued on Dec. 9, was assigned to Oracle International Corp. (Redwood Shores, Calif.).

"Handling data skew for parallel execution with server mapping plans" was invented by Srikanth Bellamkonda (Mountain View, Calif.), Madhuri Kandepi (San Mateo, Calif.), Yash Shah (San Mateo, Calif.) and Shuo Chen (Redwood Shores, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Skew handling techniques are provided in parallel execution for even load balancing and scaling. In a compile-time solution, a dynamic sampling query is issued to detect partition skew. The compile-time solution determines the number of skewed partitions and uses a hybrid distribut...