Inventor
SHENG LEI
CN12 patents
⚠️ This page may combine multiple inventors who share the name “SHENG LEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ORACLE INT CORP
10 patentsUS10635671B2Apr 28, 2020
Sort-merge band join optimization
ORACLE INT CORP22 citations94
US7379933B1May 27, 2008
Union all rewrite for aggregate queries with grouping sets
ORACLE INT CORP23 citations92
US8041731B2Oct 18, 2011
Efficient evaluation of SQL pivot operations
ORACLE INT CORP8 citations83
US11507579B2Nov 22, 2022
Efficient compilation of graph queries involving long graph query patterns on top of SQL based relational engine
ORACLE INT CORP2 citations72
US11151134B2Oct 19, 2021
Method and system for efficient processing of polymorphic table functions
ORACLE INT CORP2 citations69
US7356542B2Apr 8, 2008
DML statements for densifying data
ORACLE INT CORP5 citations61
US12242487B2Mar 4, 2025
Efficient compilation of bounded recursive graph queries on top of SQL based relational engine
ORACLE INT CORP0 citations51
US11989178B2May 21, 2024
Efficient compilation of graph queries including complex expressions on top of sql based relational engine
ORACLE INT CORP0 citations51
US11567932B2Jan 31, 2023
Efficient compilation of graph queries on top of SQL based relational engine
ORACLE INT CORP0 citations51
US12332893B2Jun 17, 2025
Method and system to implement SQL macros
ORACLE INT CORP0 citations45