Inventor · disambiguated record
Douglas James Mcmahon
Also filed as: MCMAHON DOUGLAS · MCMAHON DOUGLAS J · MCMAHON DOUGLAS JAMES
31 granted patents·6 pending applications·1,355 citations·filing 1996–2025
97Inventor score
Top patents by PatentIndex Score
37 records- 0197US6487552B1Database fine-grained access controlORACLE CORP·Filed 1998·Granted Nov 26, 2002·306 cites·45 claims
- 0296US11423001B2Technique of efficiently, comprehensively and autonomously support native JSON datatype in RDBMS for both OLTP and OLAPORACLE INT CORP·Filed 2020·Granted Aug 23, 2022·12 cites·44 claims
- 0396US6631371B1Database fine-grained access controlORACLE INT CORP·Filed 2002·Granted Oct 7, 2003·108 cites·38 claims
- 0496US5784699ADynamic memory allocation in a computer using a bit map indexORACLE CORP·Filed 1996·Granted Jul 21, 1998·314 cites·21 claims
- 0595US11341317B2Supporting piecewise update of JSON document efficientlyORACLE INT CORP·Filed 2020·Granted May 24, 2022·5 cites·37 claims
- 0694US6587854B1Virtually partitioning user data in a database systemORACLE CORP·Filed 2001·Granted Jul 1, 2003·154 cites·30 claims
- 0793US9659045B2Generic indexing for efficiently supporting ad-hoc query over hierarchically marked-up dataORACLE INT CORP·Filed 2014·Granted May 23, 2017·21 cites·30 claims
- 0892US5758062AMethod and apparatus for regression testing of application logicORACLE CORP·Filed 1996·Granted May 26, 1998·199 cites·30 claims
- 0990US6606627B1Techniques for managing resources for multiple exclusive groupsORACLE CORP·Filed 2001·Granted Aug 12, 2003·87 cites·39 claims
- 1089US9864816B2Dynamically updating data guide for hierarchical data objectsORACLE INT CORP·Filed 2015·Granted Jan 9, 2018·10 cites·28 claims
- 1188US11640380B2Technique of comprehensively supporting multi-value, multi-field, multilevel, multi-position functional index over stored aggregately stored data in RDBMSORACLE INT CORP·Filed 2021·Granted May 2, 2023·2 cites·19 claims
- 1288US10262012B2Techniques related to binary encoding of hierarchical data objects to support efficient path navigation of the hierarchical data objectsORACLE INT CORP·Filed 2015·Granted Apr 16, 2019·6 cites·24 claims
- 1383US7627615B2Copy-on-write versioning of documentsORACLE INT CORP·Filed 2006·Granted Dec 1, 2009·13 cites·32 claims
- 1483US5787410AMethod and apparatus for storing and retrieving data in multiple languages simultaneously using a fully-populated sub-tableORACLE CORP·Filed 1996·Granted Jul 28, 1998·76 cites·39 claims
- 1576US7412700B2Product packaging and installation mechanismORACLE INT CORP·Filed 2004·Granted Aug 12, 2008·22 cites·28 claims
- 1673US7281003B2Database fine-grained access controlORACLE INT CORP·Filed 2004·Granted Oct 9, 2007·17 cites·30 claims
- 1772US11899644B2Technique of efficiently, comprehensively and autonomously support native JSON datatype in RDBMS for both OLTP and OLAPORACLE INT CORP·Filed 2022·Granted Feb 13, 2024·0 cites·18 claims
- 1872US11762834B2Technique of efficiently, comprehensively and autonomously support native JSON datatype in RDBMS for both OLTP and OLAPORACLE INT CORP·Filed 2022·Granted Sep 19, 2023·0 cites·20 claims
- 1970US12412025B2Supporting piecewise update of JSON document efficientlyORACLE INT CORP·Filed 2022·Granted Sep 9, 2025·0 cites·20 claims
- 2069US11550785B2Bidirectional mapping of hierarchical data to database object typesORACLE INT CORP·Filed 2019·Granted Jan 10, 2023·1 cites·23 claims
- 2168US11226955B2Techniques for enabling and integrating in-memory semi-structured data and text document searches with in-memory columnar query processingORACLE INT CORP·Filed 2018·Granted Jan 18, 2022·1 cites·12 claims
- 2268US2025378060A1Generating keys for semi-structured data storage in relational databasesORACLE INT CORP·Filed 2025·Application pending·0 cites
- 2366US11397768B2Handling semi-structured and unstructured data in a sharded database environmentORACLE INT CORP·Filed 2020·Granted Jul 26, 2022·0 cites·20 claims
- 2466US11182428B2Handling semi-structured and unstructured data in a sharded database environmentORACLE INT CORP·Filed 2020·Granted Nov 23, 2021·0 cites·18 claims
- 2566US11182429B2Handling semi-structured and unstructured data in a sharded database environmentORACLE INT CORP·Filed 2020·Granted Nov 23, 2021·0 cites·20 claims
- 2664US10191944B2Columnar data arrangement for semi-structured dataORACLE INT CORP·Filed 2016·Granted Jan 29, 2019·1 cites·26 claims
- 2763US12298940B1Technique of reducing size of binary JSON with/without compressionORACLE INT CORP·Filed 2024·Granted May 13, 2025·0 cites·20 claims
- 2860US10747814B2Handling semi-structured and unstructured data in a sharded database environmentORACLE INT CORP·Filed 2017·Granted Aug 18, 2020·0 cites·20 claims
- 2959US2025307239A1Effective and efficient support of json datatype comparisonORACLE INT CORP·Filed 2024·Application pending·0 cites
- 3058US12298946B2Natively supporting JSON duality view in a database management systemORACLE INT CORP·Filed 2022·Granted May 13, 2025·0 cites·20 claims
- 3156US12287777B2Natively supporting JSON duality view in a database management systemORACLE INT CORP·Filed 2022·Granted Apr 29, 2025·0 cites·20 claims
- 3251US2025307266A1Supporting Partial JSON Update In Replication EnvironmentORACLE INT CORP·Filed 2024·Application pending·0 cites
- 3349US2024126728A1Natively supporting json duality view in a database management systemORACLE INT CORP·Filed 2022·Application pending·0 cites
- 3449US2024126726A1Techniques for comprehensively supporting json schema in a rdbmsORACLE INT CORP·Filed 2022·Application pending·0 cites
- 3549US2024126727A1Techniques for comprehensively supporting json schema in a rdbmsORACLE INT CORP·Filed 2022·Application pending·0 cites
- 3648US11409741B2Enabling data format specific database functionalities over existing data types by marking operand valuesORACLE INT CORP·Filed 2018·Granted Aug 9, 2022·0 cites·20 claims
- 3743US10528538B2Leveraging SQL with user defined aggregation to efficiently merge inverted indexes stored as tablesORACLE INT CORP·Filed 2016·Granted Jan 7, 2020·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →