Database of Databases

Start Year ( – )

End Year ( – )

Country clear

Argentina
Armenia
Australia
Austria
Bangladesh
Belarus
Belgium
Brazil
Bulgaria
Canada
Chile
China
Colombia
Croatia
Cyprus
Czechia
Denmark
Egypt
Estonia
Finland
France
Germany
Greece
Hong Kong
Hungary
India
Ireland
Israel
Italy
Japan
Kazakhstan
Latvia
Netherlands
New Zealand
Nigeria
Norway
Peru
Poland
Portugal
Romania
Russia
Serbia
Singapore
Slovakia
Slovenia
South Africa
South Korea
Spain
Sweden
Switzerland
Taiwan
Tunisia
Turkey
Ukraine
United Arab Emirates
United Kingdom
United States of America
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Compatible With clear

Access
Accumulo
BoltDB
Caché
Cassandra
ClickHouse
CouchDB
DGraph
DataScript
Datomic
Db2
DynamoDB
EchoDB
Elasticsearch
FoundationDB
FoxPro
Greenplum
HBase
Hive
HyperSQL
Impala
InfluxDB
Informix
Kudu
LevelDB
LokiJS
MariaDB
Memcached
MongoDB
MySQL
Neo4j
Oracle RDBMS
Pinot
PostgreSQL
PrestoDB
Prometheus
Redis
Redshift
RocksDB
RxDB
SQL Server
SQLite
Sesame
Solr
Spark SQL
TiKV
ZODB
dBASE
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Embeds / Uses clear

BadgerDB
Berkeley DB
BoltDB
BuntDB
Cassandra
ClickHouse
Cloud BigTable
Cloud Spanner
CockroachDB
CouchDB
DataFusion
DuckDB
EchoDB
Elasticsearch
Event Store
ForestDB
FoundationDB
HBase
Hadoop
Hive
HyperSQL
Kyoto Cabinet
LMDB
LedisDB
LevelDB
LokiJS
Lucene
MariaDB
MongoDB
MySQL
OrbitDB
Pebble
PostgreSQL
PouchDB
Redis
RocksDB
SQL Anywhere
SQL Server
SQLite
Scylla
Shore
Sled
Solr
Sophia
Spark SQL
Tantivy
TiKV
Tokyo Cabinet
VanillaDB
WiredTiger
Zookeeper
bbolt
etcd
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Derived From clear

Accumulo
Adabas
Adaptive Server Enterprise
AgateDB
AgensGraph
AlaSQL
BoltDB
Btrieve
Cassandra
Citus
ClickHouse
Cloud BigTable
Coherence
CouchDB
DGraph
DataScript
Db2
Derby
Doris
Elasticsearch
FASTER
FastDB
FoxPro
GemFire
GigaBASE
Greenplum
GridGain
H-Store
H2
HAWQ
HBase
Hazelcast
Hive
HyperSQL
Impala
Informix
Ingres
InterBase
KairosDB
Kubl
Kudu
LMDB
LevelDB
LokiJS
MapDB
MariaDB
MaxDB
Memcached
MonetDB
MongoDB
MySQL
NDB Cluster
Neo4j
Noms
NonStop SQL
OSIsoft PI
OrientDB
P*TIME
ParAccel
Percona Server
Pilosa
PostgreSQL
PrestoDB
Redis
RedisGraph
Riak
RocksDB
SQL Anywhere
SQL Server
SQLite
Sesame
Shore
Solr
Spark SQL
Sphinx
System R
TiDB
TiKV
TileDB
Titan
Tokyo Cabinet
Tokyo Tyrant
Trafodion
Umbra
Vearch
Vitess
cdb
ksqlDB
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Inspired By clear

ArangoDB
Aurora
Berkeley DB
BigQuery
Bitcask
C-Store
Calvin
Cassandra
Chroma
ClickHouse
Cloud BigTable
Cloud Spanner
CouchDB
DataScript
Datomic
DuckDB
DynamoDB
Elasticsearch
FASTER
GUN
HBase
HeavyDB
Hekaton
HyPer
Hypertable
Impala
InfluxDB
Kdb+
Kinetica
LMDB
LeanStore
LevelDB
Lucene
MariaDB
Model 204
MonetDB
MongoDB
MySQL
Neo4j
Ocelot
OrientDB
Pinot
Prometheus
Raima Database Manager
Redis
Riak
RocksDB
SQLite
SSDB
SciDB
Scylla
Silo
Sphinx
System R
TinyDB
Titan
Titan
Tokyo Cabinet
XTDB
etcd
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Operating System clear

AIX
All OS with Java VM
Android
BSD
CP/M
DOS
Hosted
HP-UX
Illumos
iOS
Linux
NeXTSTEP
OpenVMS
OS X
QNX
Solaris
UnixWare
VxWorks
Windows
z/OS
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Programming Languages clear

ActionScript
Assembly
Bash
C
C#
C++
Clojure
COBOL
Cocoa
Crystal
D
Dart
Delphi
Eiffel
Elixir
Erlang
F#
Fancy
Go
Groovy
Haskell
Haxe
Io
Java
JavaScript
Julia
KL1
Kotlin
Lisp
Lua
Matlab
Nim
Objective-C
Ocaml
Pascal
Perl
PHP
PL/SQL
Prolog
Proprietary
Python
R
Racket
Rebol
Ruby
Rust
Scala
Scheme
Skip
Smalltalk
Solidity
SQL
Swift
Tcl
TypeScript
V
VCL
Visual Basic
Zig
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Project Types clear

Academic
Commercial
Educational
Hobby
Industrial Research
Internal / Non-Public
Open Source
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Licenses clear

AGPL v3
Apache v2
Boost Software License
BSD
Business Source License
Code Project Open License
Commons Clause License
Confluent Community License
Creative Commons License
Eclipse Public License
Elastic License v2
Fair Source License
Functional Source License
GPL v2
GPL v3
ISC License
LGPL v2
LGPL v3
Microsoft Reference Source License
MIT
Mozilla Public License
Mulan PubL v2
OpenLDAP Public License
Open Software License 3.0
Parity Public License
PostgreSQL License
Proprietary
Public Domain
Python License
Server Side Public License
VoltDB Proprietary License
Zope Public License
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Checkpoints clear

Blocking
Consistent
Fuzzy
Non-Blocking
Not Supported
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Compression clear

Bitmap Encoding
Bit Packing / Mostly Encoding
Delta Encoding
Dictionary Encoding
Incremental Encoding
Naïve (Page-Level)
Naïve (Record-Level)
Null Suppression
Prefix Compression
Run-Length Encoding
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Concurrency Control clear

Deterministic Concurrency Control
Multi-version Concurrency Control (MVCC)
Not Supported
Optimistic Concurrency Control (OCC)
Timestamp Ordering
Two-Phase Locking (Deadlock Detection)
Two-Phase Locking (Deadlock Prevention)
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Coordination clear

Centralized Coordinator
Conflict-Free Replicated Data Type (CRDT)
Decentralized

Data Model clear

Array / Matrix
Column Family / Wide-Column
Document / XML
Entity-Attribute-Value
Entity-Relationship
Graph
Hierarchical
Key/Value
Multi-Value
Network
Object-Oriented
Object-Relational
Relational
Triplestore / RDF
Vector
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Fault Tolerance clear

Asynchronous Replication
Conflict Resolution
Quorum-based Replication
Read Repair
Synchronous Replication
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Foreign Keys clear

Not Supported
Supported

Hardware Acceleration clear

Custom
FPGA
GPU
RDMA
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Indexes clear

Adaptive Radix Tree (ART)
AVL-Tree
B-epsilon Tree
BitMap
Block Range Index (BRIN)
B+Tree
Bw-Tree
Hash Table
Hierarchical Navigable Small World (HNSW)
Inverted Index (Full Text)
K-D Tree
Log-Structured Merge Tree
MassTree
Not Supported
Patricia/Radix Trie
Red-Black Tree
R-Tree
Skip List
T-Tree
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Isolation Levels clear

Cursor Stability
Not Supported
Read Committed
Read Stability
Read Uncommitted
Repeatable Read
Serializable
Snapshot Isolation
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Joins clear

Broadcast Join
Hash Join
Index Nested Loop Join
Nested Loop Join
Not Supported
Semi Join
Shuffle Join
Sort-Merge Join
Worst-Case Optimal Join
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Logging clear

Command Logging
Logical Logging
Not Supported
Physical Logging
Physiological Logging
Shadow Paging
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Parallel Execution clear

Bushy
Inter-Operator (Vertical)
Intra-Operator (Horizontal)

Query Compilation clear

Code Generation
JIT Compilation
Not Supported
Stored Procedure Compilation
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Query Execution clear

Materialized Model
Tuple-at-a-Time Model
Vectorized Model

Query Interface clear

Command-line / Shell
Custom API
Cypher
Datalog
GraphQL
Gremlin
HTTP / REST
PartiQL
PL/SQL
PromQL
QUEL
RDFS++
RPC
SPARQL
SQL
Stored Procedures
XPath
XQuery
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Storage Architecture clear

Disk-oriented
Hybrid
In-Memory

Storage Format clear

Apache Arrow
Apache Avro
Apache CarbonData
Apache Hudi
Apache Iceberg
Apache ORC
Apache Parquet
CSV
Custom
DataFrame
HDF5
N-Triples
RCFile
SequenceFile
Trevni
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Storage Model clear

Custom
Decomposition Storage Model (Columnar)
Hybrid
N-ary Storage Model (Row/Record)
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Storage Organization clear

Copy-on-Write / Shadow Paging
Heaps
Indexed Sequential Access Method (ISAM)
Log-structured
Sorted Files
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Stored Procedures clear

Not Supported
Supported

System Architecture clear

Embedded
Shared-Disk
Shared-Everything
Shared-Memory
Shared-Nothing
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User-Defined Functions clear

Custom Language
Java
Javascript
Perl
PHP
PL/SQL
Python
R
Ruby
Rust
TCL
T-SQL
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Views clear

Materialized Views
Not Supported
Virtual Views

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Start Year ( – )

End Year ( – )

Country clear

Compatible With clear

Embeds / Uses clear

Derived From clear

Inspired By clear

Operating System clear

Programming Languages clear

Tags clear

Project Types clear

Licenses clear

Checkpoints clear

Compression clear

Concurrency Control clear

Coordination clear

Data Model clear

Fault Tolerance clear

Foreign Keys clear

Hardware Acceleration clear

Indexes clear

Isolation Levels clear

Joins clear

Logging clear

Parallel Execution clear

Query Compilation clear

Query Execution clear

Query Interface clear

Storage Architecture clear

Storage Format clear

Storage Model clear

Storage Organization clear

Stored Procedures clear

System Architecture clear

User-Defined Functions clear

Views clear

DataFusion

Polars

Velox

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Start Year ( – ) Apply

End Year ( – ) Apply

Country clear

Compatible With clear

Embeds / Uses clear

Derived From clear

Inspired By clear

Operating System clear

Programming Languages clear

Tags clear

Project Types clear

Licenses clear

Checkpoints clear

Compression clear

Concurrency Control clear

Coordination clear

Data Model clear

Fault Tolerance clear

Foreign Keys clear

Hardware Acceleration clear

Indexes clear

Isolation Levels clear

Joins clear

Logging clear

Parallel Execution clear

Query Compilation clear

Query Execution clear

Query Interface clear

Storage Architecture clear

Storage Format clear

Storage Model clear

Storage Organization clear

Stored Procedures clear

System Architecture clear

User-Defined Functions clear

Views clear

DataFusion

Polars

Velox

Start Year ( – )

End Year ( – )