Inventor
LI HUAGANG
US9 patents
Patents
9 patentsUS11379476B2Jul 5, 2022
Bitmap-based count distinct query rewrite in a relational SQL algebra
ORACLE INT CORP5 citations72
US9460154B2Oct 4, 2016
Dynamic parallel aggregation with hybrid batch flushing
ORACLE INT CORP3 citations71
US10572475B2Feb 25, 2020
Leveraging columnar encoding for query operations
ORACLE INT CORP6 citations70
US11176131B2Nov 16, 2021
Parallel processing of queries with inverse distribution function
ORACLE INT CORP0 citations56
US10366082B2Jul 30, 2019
Parallel processing of queries with inverse distribution function
ORACLE INT CORP1 citations56
US9390129B2Jul 12, 2016
Scalable and adaptive evaluation of reporting window functions
ORACLE INT CORP1 citations51
US12326866B1Jun 10, 2025
Out-of-core BFS for shortest path graph queries
ORACLE INT CORP0 citations50
US9158812B2Oct 13, 2015
Enhancing parallelism in evaluation ranking/cumulative window functions
ORACLE INT CORP1 citations50
US10719516B2Jul 21, 2020
Scalable multistage processing of queries with percentile functions
ORACLE INT CORP0 citations37