Inventor · disambiguated record
Sunil P. Chakkappen
Also filed as: CHAKKAPPEN SUNIL · CHAKKAPPEN SUNIL P · CHAKKAPPEN SUNIL PARROKKAREN
17 granted patents·2 pending applications·150 citations·filing 2007–2022
92Inventor score
Technology areasG06F
Top patents by PatentIndex Score
19 records- 0196US10372706B2Tracking and maintaining expression statistics across database queriesORACLE INT CORP·Filed 2016·Granted Aug 6, 2019·78 cites·20 claims
- 0292US9727609B2Triggering hard parsesORACLE INT CORP·Filed 2013·Granted Aug 8, 2017·14 cites·19 claims
- 0388US11321317B2Leveraging query-specific statistics in non-equivalent queriesORACLE INT CORP·Filed 2017·Granted May 3, 2022·4 cites·16 claims
- 0486US11907218B1Automatic prevention of plan regressionsORACLE INT CORP·Filed 2022·Granted Feb 20, 2024·2 cites·20 claims
- 0586US7636731B2Approximating a database statisticORACLE INT CORP·Filed 2007·Granted Dec 22, 2009·17 cites·22 claims
- 0685US11068460B2Automated real-time index managementORACLE INT CORP·Filed 2019·Granted Jul 20, 2021·4 cites·20 claims
- 0784US7603339B2Merging synopses to determine number of distinct values in large databasesORACLE INT CORP·Filed 2007·Granted Oct 13, 2009·14 cites·20 claims
- 0880US12111828B2Method and system to implement error handling with fine-grained SQL hintsORACLE INT CORP·Filed 2021·Granted Oct 8, 2024·1 cites·30 claims
- 0975US8392406B1Determining a height-balanced histogram incrementallyEMEKCI FATIH·Filed 2008·Granted Mar 5, 2013·14 cites·26 claims
- 1074US2022215026A1Processing dynamic statistics for expensive queriesORACLE INT CORP·Filed 2022·Application pending·0 cites
- 1172US9471631B2Creating and using data that indicates misestimates of actual costsORACLE INT CORP·Filed 2013·Granted Oct 18, 2016·2 cites·26 claims
- 1264US12346300B2Automated real-time index managementORACLE INT CORP·Filed 2021·Granted Jul 1, 2025·0 cites·18 claims
- 1357US11403295B2Creating hybrid and top-frequency histogramsORACLE INT CORP·Filed 2016·Granted Aug 2, 2022·0 cites·20 claims
- 1455US11113282B2Online optimizer statistics maintenance during loadORACLE INT CORP·Filed 2018·Granted Sep 7, 2021·0 cites·21 claims
- 1554US11561973B2Statistics based query transformationORACLE INT CORP·Filed 2018·Granted Jan 24, 2023·0 cites·22 claims
- 1648US10599651B2Database system feature managementORACLE INT CORP·Filed 2016·Granted Mar 24, 2020·0 cites·20 claims
- 1747US2010030728A1Computing selectivities for group of columns and expressionsORACLE INT CORP·Filed 2008·Application pending·0 cites
- 1840US10353897B2One-pass join size estimation with correlated samplingORACLE INT CORP·Filed 2015·Granted Jul 16, 2019·0 cites·20 claims
- 1938US9852185B2Approximate distinct counting in a bounded memoryORACLE INT CORP·Filed 2015·Granted Dec 26, 2017·0 cites·22 claims
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