Databases with Dictionary Encoding Compression


Atoti OLAP	2005	Relational	Dictionary Encoding	OLAP
Azure SQL Database Hosting Service	2009	Relational	Bit Packing / Mostly Encoding, Dictionary Encoding, Prefix Compression	Hosting Service
Blazegraph Acquired Company Abandoned	2006	Graph, Triplestore / RDF	Dictionary Encoding	Acquired Company Abandoned
BlazingSQL OLAP Abandoned Failed Company	2015	Relational	Dictionary Encoding, Delta Encoding, Run-Length Encoding, Bit Packing / Mostly Encoding	OLAP Abandoned Failed Company
CedarDB OLAP Forked Code OLTP	2023	Relational, Array / Matrix	Dictionary Encoding	OLAP Forked Code OLTP
chDB OLAP Acquired Company AI-Assisted	2023	Relational	Dictionary Encoding, Delta Encoding, Naïve (Page-Level)	OLAP Acquired Company AI-Assisted
ClickHouse OLAP AI-Assisted	2016	Relational	Delta Encoding, Dictionary Encoding, Naïve (Page-Level)	OLAP AI-Assisted
Cubrick	2016	Column Family / Wide-Column	Dictionary Encoding
Delta Lake AI-Assisted	2019	Column Family / Wide-Column	Dictionary Encoding, Run-Length Encoding, Bit Packing / Mostly Encoding	AI-Assisted
DuckDB OLAP AI-Assisted	2018	Relational	Dictionary Encoding, Delta Encoding, Run-Length Encoding, Bit Packing / Mostly Encoding	OLAP AI-Assisted
DynamoDB OLTP NoSQL	2012	Document / XML, Key-Value	Dictionary Encoding	OLTP NoSQL
EsgynDB Failed Company	2015	Relational	Dictionary Encoding	Failed Company
ExtendDB Middleware AI-Assisted	2026	Key-Value, Document / XML	Dictionary Encoding	Middleware AI-Assisted
FeatureBase Abandoned Search Engine	2017	Relational	Dictionary Encoding, Run-Length Encoding, Bitmap Encoding	Abandoned Search Engine
Hyrise OLAP	2009	Relational	Null Suppression, Dictionary Encoding, Delta Encoding, Run-Length Encoding, Bit Packing / Mostly Encoding	OLAP
InfluxDB Time-Series AI-Assisted	2013	Column Family / Wide-Column	Dictionary Encoding, Run-Length Encoding, Bit Packing / Mostly Encoding	Time-Series AI-Assisted
InMemory.Net	2014	Relational	Dictionary Encoding
IQ Acquired Company	1992	Relational	Bitmap Encoding, Dictionary Encoding, Null Suppression, Run-Length Encoding	Acquired Company
k4 Time-Series Abandoned	2024	Key-Value	Dictionary Encoding	Time-Series Abandoned
Kinetica OLAP	2009	Relational	Dictionary Encoding	OLAP
Kudu OLTP	2016	Relational	Dictionary Encoding, Run-Length Encoding, Prefix Compression, Bit Packing / Mostly Encoding	OLTP
Kylin	2013	Key-Value	Dictionary Encoding
LedisDB Abandoned NoSQL	2014	Key-Value	Dictionary Encoding, Naïve (Page-Level)	Abandoned NoSQL
MemCP OLAP AI-Assisted	2022	Relational	Dictionary Encoding, Bit Packing / Mostly Encoding	OLAP AI-Assisted
MonetDB OLAP MMAP	2002	Column Family / Wide-Column	Dictionary Encoding, Bit Packing / Mostly Encoding	OLAP MMAP
MotherDuck Hosting Service	2022	Relational	Dictionary Encoding, Delta Encoding, Run-Length Encoding, Bit Packing / Mostly Encoding	Hosting Service
Netezza OLAP Acquired Company	1999	Relational	Bitmap Encoding, Dictionary Encoding, Run-Length Encoding	OLAP Acquired Company
ObsessionDB OLAP Hosting Service	2024	Relational	Dictionary Encoding, Delta Encoding, Naïve (Page-Level)	OLAP Hosting Service
OceanBase	2010	Relational	Delta Encoding, Dictionary Encoding, Prefix Compression, Run-Length Encoding
OlegDB MMAP NoSQL	2014	Key-Value	Dictionary Encoding	MMAP NoSQL
Oracle RDBMS	1977	Key-Value, Graph, Triplestore / RDF, Document / XML, Relational	Null Suppression, Prefix Compression, Dictionary Encoding, Naïve (Page-Level), Naïve (Record-Level), Bit Packing / Mostly Encoding
Pinot OLAP AI-Assisted	2014	Relational	Dictionary Encoding, Run-Length Encoding, Bitmap Encoding, Bit Packing / Mostly Encoding	OLAP AI-Assisted
PrestoDB OLAP AI-Assisted	2013	Document / XML, Key-Value, Column Family / Wide-Column, Relational	Dictionary Encoding, Run-Length Encoding	OLAP AI-Assisted
RainStor Acquired Company	2004	Relational	Dictionary Encoding	Acquired Company
Redshift OLAP Serverless	2012	Relational	Bit Packing / Mostly Encoding, Delta Encoding, Dictionary Encoding, Naïve (Page-Level), Run-Length Encoding	OLAP Serverless
Scuba	2013	Relational	Dictionary Encoding
Scylla NoSQL AI-Assisted	2014	Key-Value, Column Family / Wide-Column	Dictionary Encoding	NoSQL AI-Assisted
SereneDB OLAP OLTP Search Engine AI-Assisted	2024	Relational	Bit Packing / Mostly Encoding, Dictionary Encoding, Frame of Reference (FOR), Naïve (Page-Level), Run-Length Encoding	OLAP OLTP Search Engine AI-Assisted
SQL Server	1988	Relational	Prefix Compression, Dictionary Encoding, Naïve (Page-Level), Naïve (Record-Level), Bit Packing / Mostly Encoding
SSDB Abandoned	2013	Key-Value	Dictionary Encoding	Abandoned
StarRocks OLAP AI-Assisted	2021	Relational, Column Family / Wide-Column	Dictionary Encoding, Delta Encoding, Bitmap Encoding, Bit Packing / Mostly Encoding	OLAP AI-Assisted
TDengine Time-Series AI-Assisted	2017	Relational	Dictionary Encoding, Delta Encoding, Run-Length Encoding	Time-Series AI-Assisted
Teradata	1979	Document / XML, Graph, Relational	Dictionary Encoding, Run-Length Encoding, Naïve (Page-Level)
TerarkDB Forked Code Acquired Company	2016	Key-Value	Bitmap Encoding, Delta Encoding, Dictionary Encoding, Prefix Compression, Run-Length Encoding	Forked Code Acquired Company
Tibero OLTP	2003	Relational	Dictionary Encoding	OLTP
TigerGraph	2012	Graph	Dictionary Encoding
TileDB NoSQL	2014	Array / Matrix	Delta Encoding, Dictionary Encoding, Run-Length Encoding	NoSQL
TimesTen Acquired Company OLTP	1996	Relational	Dictionary Encoding	Acquired Company OLTP
TokuMX Forked Code Acquired Company Abandoned	2013	Document / XML	Bit Packing / Mostly Encoding, Delta Encoding, Dictionary Encoding, Run-Length Encoding	Forked Code Acquired Company Abandoned
Umbra OLAP OLTP	2018	Array / Matrix, Relational	Dictionary Encoding	OLAP OLTP
Vector OLAP Acquired Company	2009	Relational	Bit Packing / Mostly Encoding, Delta Encoding, Dictionary Encoding, Naïve (Page-Level), Run-Length Encoding	OLAP Acquired Company
Vertica OLAP Forked Code Acquired Company	2005	Relational	Delta Encoding, Dictionary Encoding, Run-Length Encoding	OLAP Forked Code Acquired Company
WiredTiger Acquired Company AI-Assisted	2008	Key-Value	Dictionary Encoding, Run-Length Encoding, Naïve (Page-Level), Prefix Compression	Acquired Company AI-Assisted
YugabyteDB Forked Code OLTP AI-Assisted	2016	Key-Value, Relational	Dictionary Encoding	Forked Code OLTP AI-Assisted