Inventor
CHANG HUI JOE
US23 patents
⚠️ This page may combine multiple inventors who share the name “CHANG HUI JOE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ORACLE INT CORP
19 patentsUS7870124B2Jan 11, 2011
Rewriting node reference-based XQuery using SQL/SML
ORACLE INT CORP97 citations97
US7644066B2Jan 5, 2010
Techniques of efficient XML meta-data query using XML table index
ORACLE INT CORP67 citations97
US7836066B2Nov 16, 2010
Using SQL extensibility for processing dynamically typed XML data in XQuery queries
ORACLE INT CORP13 citations84
US7739219B2Jun 15, 2010
Techniques of optimizing queries using NULL expression analysis
ORACLE INT CORP11 citations84
US11423001B2Aug 23, 2022
Technique of efficiently, comprehensively and autonomously support native JSON datatype in RDBMS for both OLTP and OLAP
ORACLE INT CORP12 citations83
US10262076B2Apr 16, 2019
Leveraging structured XML index data for evaluating database queries
ORACLE INT CORP2 citations73
US7730080B2Jun 1, 2010
Techniques of rewriting descendant and wildcard XPath using one or more of SQL OR, UNION ALL, and XMLConcat() construct
ORACLE INT CORP7 citations73
US11157478B2Oct 26, 2021
Technique of comprehensively support autonomous JSON document object (AJD) cloud service
ORACLE INT CORP2 citations72
US11481439B2Oct 25, 2022
Evaluating XML full text search
ORACLE INT CORP1 citations62
US10915575B2Feb 9, 2021
Evaluating XML full text search
ORACLE INT CORP0 citations62
US11899644B2Feb 13, 2024
Technique of efficiently, comprehensively and autonomously support native JSON datatype in RDBMS for both OLTP and OLAP
ORACLE INT CORP0 citations60
US11762834B2Sep 19, 2023
Technique of efficiently, comprehensively and autonomously support native JSON datatype in RDBMS for both OLTP and OLAP
ORACLE INT CORP0 citations60
US11226955B2Jan 18, 2022
Techniques for enabling and integrating in-memory semi-structured data and text document searches with in-memory columnar query processing
ORACLE INT CORP1 citations60
US7870121B2Jan 11, 2011
Matching up XML query expression for XML table index lookup during query rewrite
ORACLE INT CORP1 citations52
US10942924B2Mar 9, 2021
LOB query performance via automatic inference of locator-less LOB by value semantics
ORACLE INT CORP0 citations51
US12298946B2May 13, 2025
Natively supporting JSON duality view in a database management system
ORACLE INT CORP0 citations50
US12287777B2Apr 29, 2025
Natively supporting JSON duality view in a database management system
ORACLE INT CORP0 citations50
US12579193B2Mar 17, 2026
Self-discovery and construction of type-sensitive columnar formats on type-agnostic storage servers to accelerate offloaded queries
ORACLE INT CORP0 citations44
US10489365B2Nov 26, 2019
Predicate offload of large objects
ORACLE INT CORP0 citations42
LIU ZHEN HUA
3 patentsUS8650204B2Feb 11, 2014
Techniques for efficiently supporting XQuery update facility in SQL/XML
LIU ZHEN HUA3 citations61
US8478760B2Jul 2, 2013
Techniques of efficient query over text, image, audio, video and other domain specific data in XML using XML table index with integration of text index and other domain specific indexes
LIU ZHEN HUA0 citations51
US9436779B2Sep 6, 2016
Techniques of efficient XML query using combination of XML table index and path/value index
LIU ZHEN HUA0 citations40