Inventor
ELLMANN CURT J
US19 patents
⚠️ This page may combine multiple inventors who share the name “ELLMANN CURT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NCR CORP
12 patentsUS6990503B1Jan 24, 2006
Rescheduling transactions in a database system
NCR CORP140 citations99
US7085769B1Aug 1, 2006
Method and apparatus for performing hash join
NCR CORP64 citations98
US7149737B1Dec 12, 2006
Locking mechanism using a predefined lock for materialized views in a database system
NCR CORP43 citations96
US7321898B1Jan 22, 2008
Locking mechanism for materialized views in a database system
NCR CORP25 citations92
US7174331B1Feb 6, 2007
Locking mechanism for views associated with B-tree indexes
NCR CORP32 citations92
US7092951B1Aug 15, 2006
Auxiliary relation for materialized view
NCR CORP40 citations92
US6804678B1Oct 12, 2004
Non-blocking parallel band join algorithm
NCR CORP27 citations92
US6745198B1Jun 1, 2004
Parallel spatial join index
NCR CORP32 citations92
US7181452B1Feb 20, 2007
Locking mechanism using predefined locks for aggregate materialized views in a database system
NCR CORP15 citations84
US6732107B1May 4, 2004
Spatial join method and apparatus
NCR CORP18 citations84
US6865569B1Mar 8, 2005
Determining materialized view coverage
NCR CORP15 citations79
US7155434B1Dec 26, 2006
Locking mechanism employing a name lock for materialized views
NCR CORP10 citations74
TERADATA US INC
5 patentsUS7761477B1Jul 20, 2010
Auxiliary relation for materialized view
TERADATA US INC17 citations92
US7418706B1Aug 26, 2008
Rescheduling table scan transactions
TERADATA US INC26 citations92
US8359325B1Jan 22, 2013
Determining materialized view coverage for join transactions
TERADATA US INC22 citations91
US7814080B1Oct 12, 2010
Grouping database queries and/or transactions
TERADATA US INC17 citations84
US7933867B1Apr 26, 2011
Maintaining views of cube-based operations in a database system
TERADATA US INC6 citations62