Inventor · disambiguated record
Randy L. Egan
Also filed as: EGAN RANDY L · EGAN RANDY LYNN
30 granted patents·4 pending applications·562 citations·filing 1995–2013
97Inventor score
Top patents by PatentIndex Score
34 records- 0187US6996556B2Metadata manager for database query optimizerIBM·Filed 2002·Granted Feb 7, 2006·56 cites·34 claims
- 0285US7653826B1Method and apparatus for query optimization and management of sleepy drivesIBM·Filed 2009·Granted Jan 26, 2010·14 cites·1 claims
- 0385US5655080ADistributed hash group-by cooperative processingIBM·Filed 1995·Granted Aug 5, 1997·127 cites·10 claims
- 0484US8275761B2Determining a density of a key value referenced in a database query over a range of rowsDAY PAUL R·Filed 2008·Granted Sep 25, 2012·9 cites·20 claims
- 0583US8473484B2Identifying impact of installing a database patchEGAN RANDY L·Filed 2011·Granted Jun 25, 2013·8 cites·20 claims
- 0681US8745033B2Database query optimization using index carryover to subset an indexIBM·Filed 2013·Granted Jun 3, 2014·5 cites·22 claims
- 0780US8380703B2Feedback loop between a query optimizer and a cache managerIBM·Filed 2010·Granted Feb 19, 2013·6 cites·24 claims
- 0879US6931395B2Method and apparatus for optimizing queries in a logically partitioned computer systemIBM·Filed 2001·Granted Aug 16, 2005·21 cites·13 claims
- 0977US8290936B2Executing a query plan with display of intermediate resultsDAY PAUL R·Filed 2010·Granted Oct 16, 2012·5 cites·16 claims
- 1076US9129037B2Disappearing index for more efficient processing of a database queryIBM·Filed 2013·Granted Sep 8, 2015·3 cites·6 claims
- 1176US8015191B2Implementing dynamic processor allocation based upon data densityIBM·Filed 2008·Granted Sep 6, 2011·7 cites·12 claims
- 1276US7007009B2Representation for data used in query optimizationIBM·Filed 2001·Granted Feb 28, 2006·37 cites·16 claims
- 1375US8140517B2Database query optimization using weight mapping to qualify an indexDAY PAUL R·Filed 2009·Granted Mar 20, 2012·9 cites·23 claims
- 1473US8386445B2Reorganizing database tablesIBM·Filed 2011·Granted Feb 26, 2013·3 cites·20 claims
- 1567US8412700B2Database query optimization using index carryover to subset an indexDAY PAUL REUBEN·Filed 2008·Granted Apr 2, 2013·3 cites·19 claims
- 1667US8396858B2Adding entries to an index based on use of the indexEGAN RANDY L·Filed 2011·Granted Mar 12, 2013·2 cites·19 claims
- 1766US7756856B2Method and apparatus for optimizing queries in a logically partitioned computer systemIBM·Filed 2008·Granted Jul 13, 2010·2 cites·2 claims
- 1866US6405187B1Utilizing encoded vector indexes for statistics in database processingIBM·Filed 1999·Granted Jun 11, 2002·48 cites·15 claims
- 1965US6356888B1Utilize encoded vector indexes for distinct processingIBM·Filed 1999·Granted Mar 12, 2002·45 cites·34 claims
- 2064US6285994B1Method and system for efficiently searching an encoded vector indexIBM·Filed 1999·Granted Sep 4, 2001·43 cites·23 claims
- 2164US6134546AMethod and computer program product for implementing subquery joinIBM·Filed 1998·Granted Oct 17, 2000·47 cites·12 claims
- 2263US8140520B2Embedding densities in a data structureDAY PAUL R·Filed 2008·Granted Mar 20, 2012·2 cites·23 claims
- 2360US7020647B1Utilize encoded vector indexing for database groupingIBM·Filed 1999·Granted Mar 28, 2006·35 cites·55 claims
- 2459US7346612B2Method and apparatus for optimizing queries in a logically partitioned computer systemIBM·Filed 2005·Granted Mar 18, 2008·4 cites·6 claims
- 2555US10387411B2Determining a density of a key value referenced in a database query over a range of rowsIBM·Filed 2013·Granted Aug 20, 2019·0 cites·23 claims
- 2654US6260037B1Method and computer program product for implementing skip key processing for database grouping queries involving aggregate operations by using one or more indicesIBM·Filed 1999·Granted Jul 10, 2001·21 cites·10 claims
- 2753US8396861B2Determining a density of a key value referenced in a database query over a range of rowsDAY PAUL R·Filed 2012·Granted Mar 12, 2013·0 cites·22 claims
- 2849US8977601B2Disappearing index for more efficient processing of a database queryEGAN RANDY L·Filed 2010·Granted Mar 10, 2015·0 cites·9 claims
- 2947US2010312776A1Intelligent performance analysis and isolaton of potential problem queriesIBM·Filed 2009·Application pending·0 cites
- 3043US2006085375A1Method and system for access plan samplingIBM·Filed 2004·Application pending·0 cites
- 3141US9218394B2Reading rows from memory prior to reading rows from secondary storageEGAN RANDY L·Filed 2010·Granted Dec 22, 2015·0 cites·15 claims
- 3241US2008065588A1Selectively Logging Query Data Based On CostALDRICH CRAIG STEPHEN·Filed 2006·Application pending·0 cites
- 3339US7783661B2Method and apparatus for optimizing queries in a logically partitioned computer systemIBM·Filed 2007·Granted Aug 24, 2010·0 cites·14 claims
- 3439US2012023138A1Deleting objects with group authorityEGAN RANDY L·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →