Inventor
NOVAK LEONID
US18 patents
Patents
18 patentsUS10331634B2Jun 25, 2019
Request routing and query processing in a sharded database
ORACLE INT CORP12 citations92
US11204900B2Dec 21, 2021
Request routing and query processing in a sharded database
ORACLE INT CORP5 citations83
US10545935B2Jan 28, 2020
System and method for providing access to a sharded database using a cache and a shard technology
ORACLE INT CORP8 citations83
US10268710B2Apr 23, 2019
Relational database organization for sharding
ORACLE INT CORP7 citations83
US12380130B2Aug 5, 2025
Recovery from loss of leader during asynchronous database transaction replication
ORACLE INT CORP1 citations74
US10983970B2Apr 20, 2021
Relational database organization for sharding
ORACLE INT CORP1 citations72
US10496614B2Dec 3, 2019
DDL processing in shared databases
ORACLE INT CORP2 citations72
US11609901B2Mar 21, 2023
Automatic derivation of shard key values and transparent multi-shard transaction and query support
ORACLE INT CORP2 citations71
US11151124B2Oct 19, 2021
Automatic derivation of shard key values and transparent multi-shard transaction and query support
ORACLE INT CORP4 citations71
US12399909B2Aug 26, 2025
Configuration and management of replication units for asynchronous database transaction replication
ORACLE INT CORP0 citations62
US12277140B2Apr 15, 2025
Consensus protocol for asynchronous database transaction replication with fast, automatic failover, zero data loss, strong consistency, full SQL support and horizontal scalability
ORACLE INT CORP0 citations62
US11636075B2Apr 25, 2023
System and method for providing direct access to a sharded database
ORACLE INT CORP0 citations62
US11409721B2Aug 9, 2022
System and method for providing access to a sharded database using a cache and a shard technology
ORACLE INT CORP0 citations62
US8838535B2Sep 16, 2014
Providing services across systems that manage distributed replicas
ORACLE INT CORP2 citations58
US11954117B2Apr 9, 2024
Routing requests in shared-storage database systems
ORACLE INT CORP0 citations52
US12511309B2Dec 30, 2025
Keeping stable leadership in raft-based protocol with fast automatic failover
ORACLE INT CORP0 citations51
US12450259B2Oct 21, 2025
Performance optimization in raft-based asynchronous database transaction replication
ORACLE INT CORP0 citations51
US9268840B2Feb 23, 2016
Providing services across systems that manage distributed replicas
ORACLE INT CORP0 citations48