Inventor
BEAVIN THOMAS ABEL
US14 patents
⚠️ This page may combine multiple inventors who share the name “BEAVIN THOMAS ABEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
13 patentsUS6272487B1Aug 7, 2001
Query optimization through the use of multi-column statistics to avoid the problems of non-indexed column correlation
IBM125 citations99
US5940819AAug 17, 1999
User specification of query access paths in a relational database management system
IBM98 citations97
US5721915AFeb 24, 1998
Interaction between application of a log and maintenance of a table that maps record identifiers during online reorganization of a database
IBM176 citations97
US6026412AFeb 15, 2000
Interaction between application of a log and maintenance of a table that maps record identifiers during online reorganization of a database
IBM107 citations96
US5995957ANov 30, 1999
Query optimization through the use of multi-column statistics to avoid the problems of column correlation
IBM74 citations96
US7499917B2Mar 3, 2009
Processing cross-table non-Boolean term conditions in database queries
IBM20 citations92
US6081799AJun 27, 2000
Executing complex SQL queries using index screening for conjunct or disjunct index operations
IBM49 citations92
US7970756B2Jun 28, 2011
Generalized partition pruning in a database system
IBM34 citations91
US6038569AMar 14, 2000
System for data structure loading with concurrent image copy
IBM35 citations91
US6980981B2Dec 27, 2005
Method, system, and program for selecting a join order for tables subject to a join operation
IBM13 citations82
US7461060B2Dec 2, 2008
Generalized partition pruning in a database system
IBM7 citations72
US7376646B2May 20, 2008
Cost-based subquery correlation and decorrelation
IBM5 citations60
US7840552B2Nov 23, 2010
Cost-based subquery correlation and decorrelation
IBM0 citations50