Inventor · disambiguated record
Ahmad Said Ghazal
Also filed as: GHAZAL AHMAD · GHAZAL AHMAD S · GHAZAL AHMAD SAID
22 granted patents·6 pending applications·488 citations·filing 2000–2022
96Inventor score
Top patents by PatentIndex Score
28 records- 0197US7672926B2Method and system for updating value correlation optimizationsTERADATA US INC·Filed 2007·Granted Mar 2, 2010·87 cites·9 claims
- 0295US7272591B1Method and system for updating value correlation optimizationsNCR CORP·Filed 2004·Granted Sep 18, 2007·93 cites·18 claims
- 0391US6505188B1Virtual join index for relational databasesNCR CORP·Filed 2000·Granted Jan 7, 2003·77 cites·77 claims
- 0489US8768916B1Multi level partitioning a fact tableGHAZAL AHMAD SAID·Filed 2011·Granted Jul 1, 2014·22 cites·20 claims
- 0587US6643636B1Optimizing a query using a non-covering join indexNCR CORP·Filed 2001·Granted Nov 4, 2003·47 cites·33 claims
- 0682US8868545B2Techniques for optimizing outer joinsXU YU·Filed 2011·Granted Oct 21, 2014·7 cites·20 claims
- 0779US6999967B1Semantically reducing the number of partitions involved in a joinNCR CORP·Filed 2001·Granted Feb 14, 2006·27 cites·40 claims
- 0878US6662175B1Semantic query optimization using value correlationNCR CORP·Filed 2001·Granted Dec 9, 2003·39 cites·22 claims
- 0977US9720966B2Cardinality estimation for optimization of recursive or iterative database queries by databasesTERADATA US INC·Filed 2012·Granted Aug 1, 2017·6 cites·18 claims
- 1072US8943040B1Using a table to track whether a dynamic partitioning condition evaluates to trueSHATDAL AMBUJ·Filed 2010·Granted Jan 27, 2015·4 cites·24 claims
- 1168US6990484B1Determining the satisfiability and transitive closure of conditions in a queryNCR CORP·Filed 2002·Granted Jan 24, 2006·25 cites·17 claims
- 1267US7127457B1Method and system for executing database queriesNCR CORP·Filed 2003·Granted Oct 24, 2006·12 cites·27 claims
- 1361US7321891B1Processing database queriesNCR CORP·Filed 2004·Granted Jan 22, 2008·16 cites·39 claims
- 1459US6865569B1Determining materialized view coverageNCR CORP·Filed 2001·Granted Mar 8, 2005·15 cites·27 claims
- 1558US11960479B2Processing iterative query constructs in relational databasesHUAWEI TECH CO LTD·Filed 2022·Granted Apr 16, 2024·0 cites·20 claims
- 1658US7657567B2Method and system for rewriting a database queryTERADATA US INC·Filed 2006·Granted Feb 2, 2010·2 cites·16 claims
- 1757US9146960B2Adaptive optimization of iterative or recursive query execution by database systemsTERADATA CORP·Filed 2012·Granted Sep 29, 2015·1 cites·10 claims
- 1855US10642834B1Pushing joins across a unionTERADATA CORP·Filed 2017·Granted May 5, 2020·0 cites·8 claims
- 1954US9552392B2Optimizing nested database queries that include windowing operationsGHAZAL AHMAD·Filed 2011·Granted Jan 24, 2017·1 cites·15 claims
- 2053US11940997B2Query processing using logical query steps having canonical formsFUTUREWEI TECHNOLOGIES INC·Filed 2021·Granted Mar 26, 2024·0 cites·20 claims
- 2152US8140521B1Performing SQL query optimization by simplifying sub-expressionsSHELDON STEPHEN FIFE·Filed 2004·Granted Mar 20, 2012·7 cites·27 claims
- 2249US2009313211A1Pushing joins across a unionGHAZAL AHMAD SAID·Filed 2008·Application pending·0 cites
- 2346US2022050843A1Learning-based query plan cache for capturing low-cost query planHUAWEI TECH CO LTD·Filed 2021·Application pending·0 cites
- 2443US9152670B2Estimating number of iterations or self joins required to evaluate iterative or recursive database queriesTERADATA CORP·Filed 2012·Granted Oct 6, 2015·0 cites·10 claims
- 2543US2024202576A1Methods and systems for facilitating feature engineering for machine learning modelsGHAZAL AHMAD SAID·Filed 2022·Application pending·0 cites
- 2641US2018336262A1Geometric approach to predicate selectivityFUTUREWEI TECHNOLOGIES INC·Filed 2017·Application pending·0 cites
- 2740US2008162445A1Determining satisfiability and transitive closure of a where clauseGHAZAL AHMAD·Filed 2007·Application pending·0 cites
- 2838US2008147596A1Method and system for improving sql database query performanceMCKENNA WILLIAM·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →