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DBMS > Memgraph vs. Nebula Graph vs. PostgreSQL vs. Realm vs. Warp 10

System Properties Comparison Memgraph vs. Nebula Graph vs. PostgreSQL vs. Realm vs. Warp 10

Editorial information provided by DB-Engines
NameMemgraph  Xexclude from comparisonNebula Graph  Xexclude from comparisonPostgreSQL  Xexclude from comparisonRealm  Xexclude from comparisonWarp 10  Xexclude from comparison
DescriptionA hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleA distributed, linear scalable, high perfomant Graph DBMSWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataTimeSeries DBMS specialized on timestamped geo data based on LevelDB or HBase
Primary database modelGraph DBMSGraph DBMSRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Document storeTime Series DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.37
Rank#257  Overall
#20  Graph DBMS
Score1.14
Rank#161  Overall
#15  Graph DBMS
Score608.21
Rank#4  Overall
#4  Relational DBMS
Score9.80
Rank#48  Overall
#7  Document stores
Score0.20
Rank#289  Overall
#25  Time Series DBMS
Websitememgraph.comgithub.com/­vesoft-inc/­nebula
nebula-graph.io
www.postgresql.orgrealm.iowww.warp10.io
Technical documentationdocs.memgraph.comdocs.nebula-graph.iowww.postgresql.org/­docsrealm.io/­docswww.warp10.io/­content/­02_Getting_started
DeveloperMemgraph LtdVesoft Inc.PostgreSQL Global Development Group infowww.postgresql.org/­developerRealm, acquired by MongoDB in May 2019SenX
Initial release201720191989 info1989: Postgres, 1996: PostgreSQL20142015
Current release14.1, November 2021
License infoCommercial or Open Sourcecommercial infoFree license availableOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoBSDOpen SourceOpen Source infoApache License 2.0
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.
ScaleGrid for PostgreSQL: Fully managed PostgreSQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.
Implementation languageC and C++C++CJava
Server operating systemsLinuxLinuxFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Android
Backend: server-less
iOS
Windows
Linux
OS X
Windows
Data schemeschema-free and schema-optionalStrong typed schemayesyesschema-free
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.nonoyes infospecific XML-type available, but no XML query functionality.nono
Secondary indexesyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.yesyesno
SQL infoSupport of SQLnoSQL-like query languageyes infostandard with numerous extensionsnono
APIs and other access methodsBolt protocol
Cypher query language
Browser interface
console (shell)
Proprietary native API
Query language nGQL
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
HTTP API
Jupyter
WebSocket
Supported programming languages.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C++
Go
Java
Python
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.no inforuns within the applications so server-side scripts are unnecessaryyes infoWarpScript
Triggersyesyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesSharding infodynamic graph partitioningShardingpartitioning by range, list and (since PostgreSQL 11) by hashnoneSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTCausal Clustering using Raft protocolSource-replica replication infoother methods possible by using 3rd party extensionsnoneselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integrityyes inforelationships in graphsyes infoRelationships in graphsyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infowith snapshot isolationACIDACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes infousing RocksDByesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnoyes infoIn-Memory realmyes
User concepts infoAccess controlUsers, roles and permissionsRole-based access controlfine grained access rights according to SQL-standardyesMandatory use of cryptographic tokens, containing fine-grained authorizations
More information provided by the system vendor
MemgraphNebula GraphPostgreSQLRealmWarp 10
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
Realm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Mobile Consumer Apps First-Line Worker Apps
» more
Key customersCathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsUsed by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more
Realm database is licensed under the Apache License v2.0.
» more
News

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1 December 2021

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12 November 2021

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11 November 2021

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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MemgraphNebula GraphPostgreSQLRealmWarp 10
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Conferences and events

Postgres Build 2021
Free Virtual Event, 30 November 2021 - 1 December 2021 (finished)

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