DB-EnginesExtremeDB: the mission critical dbmsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > AllegroGraph vs. Datomic vs. Drizzle vs. Memgraph vs. Postgres-XL

System Properties Comparison AllegroGraph vs. Datomic vs. Drizzle vs. Memgraph vs. Postgres-XL

Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonDatomic  Xexclude from comparisonDrizzle  Xexclude from comparisonMemgraph  Xexclude from comparisonPostgres-XL  Xexclude from comparison
Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityMySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.A hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleBased on PostgreSQL enhanced with MPP and write-scale-out cluster features
Primary database modelDocument store infowith version 6.5
Graph DBMS
RDF store
Relational DBMSRelational DBMSGraph DBMSRelational DBMS
Secondary database modelsSpatial DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.05
Rank#174  Overall
#30  Document stores
#15  Graph DBMS
#7  RDF stores
Score1.75
Rank#131  Overall
#64  Relational DBMS
Score0.36
Rank#267  Overall
#20  Graph DBMS
Score0.66
Rank#216  Overall
#103  Relational DBMS
Websiteallegrograph.comwww.datomic.commemgraph.comwww.postgres-xl.org
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmldocs.datomic.comdocs.memgraph.comwww.postgres-xl.org/­documentation
Social network pagesTwitterLinkedInFacebookGitHubDiscord
DeveloperFranz Inc.CognitectDrizzle project, originally started by Brian AkerMemgraph Ltd
Initial release20042012200820172014 infosince 2012, originally named StormDB
Current release7.2.0, October 20211.0.6362, January 20227.2.4, September 201210 R1, October 2018
License infoCommercial or Open Sourcecommercial infoLimited community edition freecommercial infolimited edition freeOpen Source infoGNU GPLcommercial infoFree license availableOpen Source infoMozilla public license
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureC++C and C++C
Server operating systemsLinux
OS X
Windows
All OS with a Java VMFreeBSD
Linux
OS X
LinuxLinux
macOS
Data schemeyes infoRDF schemasyesyesschema-free and schema-optionalyes
Typing infopredefined data types such as float or dateyesyesyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no infobulk load of XML files possiblenonoyes infoXML type, but no XML query functionality
Secondary indexesyesyesyesyes
SQL infoSupport of SQLSPARQL is used as query languagenoyes infowith proprietary extensionsnoyes infodistributed, parallel query execution
APIs and other access methodsRESTful HTTP API
SPARQL
RESTful HTTP APIJDBCBolt protocol
Cypher query language
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languagesC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
Clojure
Java
C
C++
Java
PHP
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyes infoJavaScript or Common Lispyes infoTransaction Functionsnouser defined functions
TriggersyesBy using transaction functionsno infohooks for callbacks inside the server can be used.yes
Partitioning methods infoMethods for storing different data on different nodeswith Federationnone infoBut extensive use of caching in the application peersShardingSharding infodynamic graph partitioninghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
none infoBut extensive use of caching in the application peersMulti-source replication
Source-replica replication
Multi-source replication using RAFT
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesyes inforelationships in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACID infowith snapshot isolationACID infoMVCC
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes inforecommended only for testing and developmentyesno
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationnoPluggable authentication mechanisms infoe.g. LDAP, HTTPUsers, roles and permissionsfine grained access rights according to SQL-standard
More information provided by the system vendor
AllegroGraphDatomicDrizzleMemgraphPostgres-XL
Specific characteristicsKnowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...
» more
Memgraph directly connects to your streaming infrastructure so you and your team...
» more
Competitive advantagesAllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» more
Business Source License ensures a future for the Memgraph community MAGE algorithm...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more
News

AI50 – Companies Empowering Intelligent Knowledge Management
18 July 2022

Semantics for Data Lakehouses
30 June 2022

Franz Inc. Named to Database Trends and Applications Top 100 Companies
10 June 2022

The Foundation of Data Fabrics and AI: Semantic Knowledge Graphs
20 May 2022

SCALE 2022 – Southern California Linux Expo
19 May 2022

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
AllegroGraphDatomicDrizzleMemgraphPostgres-XL
DB-Engines blog posts

MySQL won the April ranking; did its forks follow?
1 April 2015, Paul Andlinger

Has MySQL finally lost its mojo?
1 July 2013, Matthias Gelbmann

show all

Recent citations in the news

The Conceptual Data Model’s Unwavering Role in Data Governance
5 August 2022, insideBIGDATA

Neuro-Symbolic AI: The Peak of Artificial Intelligence
16 November 2021, AiThority

The key to quantum computing AI applications: Flexible programming languages
2 July 2022, VentureBeat

Franz Inc. Named to Database Trends and Applications Top 100 Companies
14 June 2022, EIN News

Franz’s AllegroGraph 7.3 Extends GraphQL to Knowledge Graph Developers and Enterprise Data Fabrics
17 May 2022, EIN News

provided by Google News

The Architecture of Datomic
2 November 2012, InfoQ.com

Structural and dynamic mechanisms of GABAA receptor modulators with opposing activities
6 August 2022, Nature.com

Lucas Cavalcanti on Using Clojure, Microservices, Hexagonal Architecture and Public Cloud at Nubank
16 August 2021, InfoQ.com

Brazil’s Nubank Acquires US Software Firm Cognitect
30 July 2020, Nearshore Americas

Nubank buys firm behind Clojure programming language
28 July 2020, Finextra

provided by Google News

Graph database company Memgraph raises $9.34M
5 October 2021, VentureBeat

Memgraph Launches Streaming Graph Algorithms to the Masses; Announces $9.34MM Seed Funding Led by Microsoft's M12
5 October 2021, Business Wire

Memgraph Raises $9.34M in Seed Funding
11 October 2021, FinSMEs

TigerGraph launches Workbench for graph neural network ML/AI modeling
26 May 2022, VentureBeat

ArangoDB brings yet more money into graph database market with $27.8M round
6 October 2021, SiliconANGLE News

provided by Google News

Building a scalable PostgreSQL solution
14 April 2019, Packt Hub

provided by Google News

Job opportunities

Head and VP of Data Architecture and Engineering
Totus Medicines, Emeryville, CA

Lead Systems Architect
WELLS FARGO BANK, Raleigh, NC

Lead Systems Architect
WELLS FARGO BANK, Des Moines, IA

Lead Systems Architect
WELLS FARGO BANK, Chandler, AZ

Senior Systems Architect
WELLS FARGO BANK, Raleigh, NC

Clojure/Datomic Developer
Concentrix Catalyst, Remote

Database Reliability Engineer (PostGres, AWS Aurora/RDS) (100% Remote)
Nira, Remote

Database Reliability Engineer - Fully Remote
Nira, United States

Data Architect
citius tech, Burlington, MA

Database Administrator / SQL Developer
Semantic AI, San Diego, CA

jobs by Indeed



Share this page

Featured Products

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 80GB free.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Redis logo

The world’s most loved real‑time data platform.
Try free

Vertica logo

Vertica Accelerator. The fastest analytics and machine learning, delivered as SaaS, with automated setup, administration, and management. Free trial.

Present your product here