[go: up one dir, main page]
DBDB.io The Encyclopedia of Database Systems · Est. 2017
Login
Database of Databases

1,228 Systems Ranked

Leaderboards

Category statistics across the encyclopedia

Country of Origin
United States of America 579
China 96
Germany 78
United Kingdom 64
Canada 38
France 36
Russia 31
India 29
Netherlands 24
Japan 21
Data Model
RE Relational 490
KE Key-Value 254
DO Document / XML 220
GR Graph 97
OB Object-Oriented 64
VE Vector 58
TR Triplestore / RDF 28
CO Column Family / Wide-Column 28
AR Array / Matrix 22
NE Network 10
Query Interface
CU Custom API 502
SQ SQL 444
HT HTTP / REST 163
CO Command-line / Shell 71
ST Stored Procedures 28
CY Cypher 25
SP SPARQL 21
GR GraphQL 19
DA Datalog 16
PL PL/SQL 16
Compatibility
PostgreSQL PostgreSQL 54
MySQL MySQL 43
Redis Redis 35
MongoDB MongoDB 19
Prometheus Prometheus 9
Oracle Oracle 7
Memcached Memcached 7
Neo4j Neo4j 6
RocksDB RocksDB 6
Elasticsearch Elasticsearch 6
Derived From
PostgreSQL PostgreSQL 37
MySQL MySQL 25
Redis Redis 9
RocksDB RocksDB 7
ClickHouse ClickHouse 7
Cassandra Cassandra 5
Elasticsearch Elasticsearch 4
LMDB LMDB 4
Spark SQL Spark SQL 4
Cloud BigTable Cloud BigTable 3
Embeds / Uses
RocksDB RocksDB 36
SQLite SQLite 21
PostgreSQL PostgreSQL 17
LMDB LMDB 17
Berkeley DB Berkeley DB 12
LevelDB LevelDB 12
MySQL MySQL 11
FoundationDB FoundationDB 7
DataFusion DataFusion 7
Cassandra Cassandra 6
Hosted Offerings
MySQL MySQL 6
ClickHouse ClickHouse 5
PostgreSQL PostgreSQL 4
SQL Server SQL Server 3
Db2 Db2 2
Redis Redis 2
Neon Neon 2
Neo4j Neo4j 1
CouchDB CouchDB 1
DuckDB DuckDB 1
Source Code License
PR Proprietary 356
AP Apache v2 318
MI MIT License 170
BS BSD License 62
AG AGPL v3 53
GP GPL v2 48
GP GPL v3 36
MO Mozilla Public License 18
BU Business Source License 16
LG LGPL v2 15
Implementation Language
C+ C++ 240
JA Java 165
C C 154
GO Go 119
RU Rust 117
PY Python 59
C# C# 41
JA JavaScript 36
SC Scala 14
ER Erlang 14
Project Type
OP Open Source 795
CO Commercial 613
HO Hobby 185
AC Academic 92
IN Industrial Research 19
ED Educational 11
IN Internal / Non-Public 10
Developers
IBM Corporation IBM Corporation 18
Google LLC Google LLC 16
Amazon.com, Inc. Amazon.com, Inc. 13
University of California, Berkeley University of California, Berkeley 11
Microsoft Corporation Microsoft Corporation 11
Meta Platforms Inc Meta Platforms Inc 11
Massachusetts Institute of Technology Massachusetts Institute of Technology 10
Oracle Corporation Oracle Corporation 9
SAP SE SAP SE 8
LinkedIn Corporation LinkedIn Corporation 8
Acquisitions
Oracle Corporation Oracle Corporation 10
IBM Corporation IBM Corporation 9
Rocket Software, Inc. Rocket Software, Inc. 7
SAP SE SAP SE 7
Teradata Corporation Teradata Corporation 4
Actian Corporation Actian Corporation 4
Sybase Inc. Sybase Inc. 3
Microsoft Corporation Microsoft Corporation 3
Cisco Cisco 3
Amazon.com, Inc. Amazon.com, Inc. 3