Inventor
CHAVAN SHASANK K
US36 patents
⚠️ This page may combine multiple inventors who share the name “CHAVAN SHASANK K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ORACLE INT CORP
34 patentsUS9292564B2Mar 22, 2016
Mirroring, in memory, data from disk to improve query performance
ORACLE INT CORP47 citations97
US8521788B2Aug 27, 2013
Techniques for maintaining column vectors of relational data within volatile memory
ORACLE INT CORP36 citations97
US10372706B2Aug 6, 2019
Tracking and maintaining expression statistics across database queries
ORACLE INT CORP78 citations96
US8572131B2Oct 29, 2013
Techniques for more efficient usage of memory-to-CPU bandwidth
ORACLE INT CORP32 citations92
US10678791B2Jun 9, 2020
Using shared dictionaries on join columns to improve performance of joins in relational databases
ORACLE INT CORP12 citations85
US10366083B2Jul 30, 2019
Materializing internal computations in-memory to improve query performance
ORACLE INT CORP9 citations84
US9965501B2May 8, 2018
Techniques for maintaining column vectors of relational data within volatile memory
ORACLE INT CORP5 citations83
US11238039B2Feb 1, 2022
Materializing internal computations in-memory to improve query performance
ORACLE INT CORP4 citations73
US10204135B2Feb 12, 2019
Materializing expressions within in-memory virtual column units to accelerate analytic queries
ORACLE INT CORP5 citations73
US9881048B2Jan 30, 2018
Mirroring, in memory, data from disk to improve query performance
ORACLE INT CORP2 citations73
US10678788B2Jun 9, 2020
Columnar caching in tiered storage
ORACLE INT CORP4 citations71
US11392624B2Jul 19, 2022
Hybrid in-memory BFS-DFS approach for computing graph queries against homogeneous graphs inside relational database systems
ORACLE INT CORP3 citations70
US10853371B2Dec 1, 2020
Efficient evaluation of query expressions including grouping clauses
ORACLE INT CORP2 citations70
US10726016B2Jul 28, 2020
In-memory column-level multi-versioned global dictionary for in-memory databases
ORACLE INT CORP2 citations70
US11971869B2Apr 30, 2024
System and method for an ultra highly available, high performance, persistent memory optimized, scale-out database
ORACLE INT CORP0 citations62
US11550771B2Jan 10, 2023
System and method for an ultra highly available, high performance, persistent memory optimized, scale-out database
ORACLE INT CORP0 citations62
US10229089B2Mar 12, 2019
Efficient hardware instructions for single instruction multiple data processors
ORACLE INT CORP1 citations62
US9201944B2Dec 1, 2015
Techniques for maintaining column vectors of relational data within volatile memory
ORACLE INT CORP1 citations62
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
US11113054B2Sep 7, 2021
Efficient hardware instructions for single instruction multiple data processors: fast fixed-length value compression
ORACLE INT CORP1 citations60
US9886459B2Feb 6, 2018
Methods and systems for fast set-membership tests using one or more processors that support single instruction multiple data instructions
ORACLE INT CORP1 citations59
US10120895B2Nov 6, 2018
Mirroring, in memory, data from disk to improve query performance
ORACLE INT CORP0 citations52
US9697174B2Jul 4, 2017
Efficient hardware instructions for processing bit vectors for single instruction multiple data processors
ORACLE INT CORP0 citations51
US9342314B2May 17, 2016
Efficient hardware instructions for single instruction multiple data processors
ORACLE INT CORP0 citations51
US11354252B2Jun 7, 2022
On-demand cache management of derived cache
ORACLE INT CORP0 citations50
US11397732B2Jul 26, 2022
Hybrid in-memory BFS-DFS approach for computing graph queries involving complex path patterns including trees and cycles inside relational database systems
ORACLE INT CORP0 citations49
US11392623B2Jul 19, 2022
Hybrid in-memory BFS-DFS approach for computing graph queries against heterogeneous graphs inside relational database systems
ORACLE INT CORP0 citations49
US11294816B2Apr 5, 2022
Evaluating SQL expressions on dictionary encoded vectors
ORACLE INT CORP0 citations49
US10810208B2Oct 20, 2020
Efficient evaluation of queries with multiple predicate expressions
ORACLE INT CORP0 citations49
US10789252B2Sep 29, 2020
Efficient evaluation of aggregate functions
ORACLE INT CORP0 citations49
US12093261B2Sep 17, 2024
Storage formats for in-memory caches
ORACLE INT CORP0 citations47
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
US9792117B2Oct 17, 2017
Loading values from a value vector into subregisters of a single instruction multiple data register
ORACLE INT CORP0 citations41
US10838961B2Nov 17, 2020
Prefix compression
ORACLE INT CORP0 citations36