Inventor
CHIANG KUORONG
US14 patents
⚠️ This page may combine multiple inventors who share the name “CHIANG KUORONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NCR CORP
8 patentsUS7035851B1Apr 25, 2006
Reorganization of database records using partition merging
NCR CORP53 citations96
US6772163B1Aug 3, 2004
Reduced memory row hash match scan join for a partitioned database system
NCR CORP46 citations95
US6477523B1Nov 5, 2002
Selectivity prediction with compressed histograms in a parallel processing database system
NCR CORP60 citations95
US7203686B1Apr 10, 2007
Partition join in a partitioned database system
NCR CORP32 citations92
US6834279B1Dec 21, 2004
Method and system for inclusion hash joins and exclusion hash joins in relational databases
NCR CORP31 citations92
US6944633B1Sep 13, 2005
Performing a join in a partitioned database system
NCR CORP32 citations86
US7260563B1Aug 21, 2007
Efficient costing for inclusion merge join
NCR CORP16 citations81
US7319995B2Jan 15, 2008
Method and system for inclusion hash joins and exclusion hash joins in relational databases
NCR CORP8 citations73
TERADATA US INC
5 patentsUS7991765B2Aug 2, 2011
Cost-based query rewrite using materialized views
TERADATA US INC10 citations82
US10891290B2Jan 12, 2021
Query plan searching and optimization
TERADATA US INC5 citations72
US11086870B1Aug 10, 2021
Multi-table aggregation through partial-group-by processing
TERADATA US INC4 citations69
US7877372B1Jan 25, 2011
Method and system for querying tables stored on multiple processing modules
TERADATA US INC3 citations56
US10452658B2Oct 22, 2019
Caching methods and a system for entropy-based cardinality estimation
TERADATA US INC0 citations36