Inventor
HWANG SANGYONG
US29 patents
⚠️ This page may combine multiple inventors who share the name “HWANG SANGYONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SNOWFLAKE INC
13 patentsUS11461327B1Oct 4, 2022
Query plan caching for networked database systems
SNOWFLAKE INC11 citations85
US11314740B1Apr 26, 2022
Responsive plan stability
SNOWFLAKE INC9 citations84
US11645281B1May 9, 2023
Caching query plans in database systems
SNOWFLAKE INC2 citations72
US11687531B2Jun 27, 2023
Estimated execution time for query execution
SNOWFLAKE INC1 citations71
US11544263B2Jan 3, 2023
Dynamic query execution using estimated execution time
SNOWFLAKE INC3 citations71
US12321350B1Jun 3, 2025
Query block boundary identification
SNOWFLAKE INC2 citations67
US12026160B2Jul 2, 2024
Query plan cache in database systems
SNOWFLAKE INC1 citations62
US12475125B2Nov 18, 2025
Partition granular selectivity estimation for predicates
SNOWFLAKE INC0 citations58
US12007994B1Jun 11, 2024
Partition granular selectivity estimation for predicates
SNOWFLAKE INC0 citations58
US12468702B2Nov 11, 2025
Secure predicate derivation of queries using metadata
SNOWFLAKE INC0 citations56
US11893016B1Feb 6, 2024
Secure predicate derivation of queries using metadata
SNOWFLAKE INC1 citations56
US12045236B2Jul 23, 2024
Join elimination
SNOWFLAKE INC0 citations51
US12488001B2Dec 2, 2025
Rule based hint application
SNOWFLAKE INC0 citations50
SAP SE
6 patentsUS9361340B2Jun 7, 2016
Processing database queries using format conversion
SAP SE10 citations84
US11176132B2Nov 16, 2021
Processing database queries using format conversion
SAP SE1 citations73
US11061898B2Jul 13, 2021
Uncertainty-aware selection of query execution plan
SAP SE2 citations73
US12222944B2Feb 11, 2025
Processing database queries using format conversion
SAP SE0 citations62
US11755575B2Sep 12, 2023
Processing database queries using format conversion
SAP SE0 citations62
US10127278B2Nov 13, 2018
Processing database queries using format conversion
SAP SE0 citations52
AMAZON TECH INC
4 patentsUS11455290B1Sep 27, 2022
Streaming database change data from distributed storage
AMAZON TECH INC21 citations91
US11860869B1Jan 2, 2024
Performing queries to a consistent view of a data set across query engine types
AMAZON TECH INC8 citations85
US11455305B1Sep 27, 2022
Selecting alternate portions of a query plan for processing partial results generated separate from a query engine
AMAZON TECH INC6 citations75
US11886439B1Jan 30, 2024
Asynchronous change data capture for direct external transmission
AMAZON TECH INC6 citations72