DB-EnginesExtremeDB: the first and only COTS deterministic embedded database management system for mission- and safety-critical hard real-time applicationsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Derby vs. Memgraph vs. Nebula Graph vs. PostgreSQL

System Properties Comparison Derby vs. Memgraph vs. Nebula Graph vs. PostgreSQL

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameDerby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDB  Xexclude from comparisonMemgraph  Xexclude from comparisonNebula Graph  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.A 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 SQL
Primary database modelRelational DBMSGraph DBMSGraph DBMSRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.69
Rank#77  Overall
#43  Relational DBMS
Score0.29
Rank#272  Overall
#23  Graph DBMS
Score1.10
Rank#168  Overall
#15  Graph DBMS
Score577.50
Rank#4  Overall
#4  Relational DBMS
Websitedb.apache.org/­derbymemgraph.comgithub.com/­vesoft-inc/­nebula
nebula-graph.io
www.postgresql.org
Technical documentationdb.apache.org/­derby/­manuals/­index.htmldocs.memgraph.comdocs.nebula-graph.iowww.postgresql.org/­docs
DeveloperApache Software FoundationMemgraph LtdVesoft Inc.PostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release1997201720191989 info1989: Postgres, 1996: PostgreSQL
Current release10.15.2.0, March 202013.4, August 2021
License infoCommercial or Open SourceOpen Source infoApache version 2commercial infoFree license availableOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenononono
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 languageJavaC and C++C++C
Server operating systemsAll OS with a Java VMLinuxLinuxFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeyesschema-free and schema-optionalStrong typed schemayes
Typing infopredefined data types such as float or dateyesyesyesyes
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.yesnonoyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesyes 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.yes
SQL infoSupport of SQLyesnoSQL-like query languageyes infostandard with numerous extensions
APIs and other access methodsJDBCBolt 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
Supported programming languagesJava.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
Server-side scripts infoStored proceduresJava Stored Proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infodynamic graph partitioningShardingpartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationMulti-source replication using RAFTCausal Clustering using Raft protocolSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyes inforelationships in graphsyes infoRelationships in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infowith snapshot isolationACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardUsers, roles and permissionsRole-based access controlfine grained access rights according to SQL-standard
More information provided by the system vendor
Derby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDBMemgraphNebula GraphPostgreSQL
Specific characteristicsNebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesNebula Graph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersCurrently we have some top internet companies in China implementing Nebula Graph...
» more
Market metricsAt our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more
Licensing and pricing modelsNebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more
News

Ecosystem Tools: Nebula Graph Dashboard for Monitoring
22 September 2021

Nebula Graph Source Code Explained: RBO
14 September 2021

Game Pocket Monsters with Nebula Graph
3 September 2021

Nebula Graph Source Code Explained: Validator
20 August 2021

Nebula Graph Source Code Explained: An Overview
13 August 2021

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
3rd partiesEDB: Helping organizations get the most from PostgreSQL, Oracle Migration, High Availability, Security
» more

pgDash: In-Depth PostgreSQL Monitoring.
» more

Fivetran: Quickly and easily centralize your on-premise and cloud databases.
» more

ClusterControl: the only management system you’ll ever need to take control of your open source database infrastructure.
» more

CYBERTEC is your professional partner for PostgreSQL services and Data Science since 2000. With offices in Austria, Uruguay, Estonia, Poland, South Africa and Switzerland, CYBERTEC operates worldwide and is here for you 24/7!
» more

SQLFlow: Provides a visual representation of the overall flow of data. Automated SQL data lineage analysis across Databases, ETL, Business Intelligence, Cloud and Hadoop environments by parsing SQL Script and stored procedure.
» more

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

More resources
Derby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDBMemgraphNebula GraphPostgreSQL
DB-Engines blog posts

The Inexorable Rise of PostgreSQL
24 September 2021,  Matt Yonkovit, Percona (sponsor) 

PostgreSQL is the DBMS of the Year 2020
4 January 2021, Paul Andlinger, Matthias Gelbmann

PostgreSQL is the DBMS of the Year 2018
2 January 2019, Paul Andlinger, Matthias Gelbmann

show all

Recent citations in the news

JDBC tutorial: Easy installation and setup with Apache Derby
20 December 2019, TheServerSide.com

Apache Derby Out of the Gate, Full Project
8 October 2020, Server Watch

Win32/Bladabindi!ml (Requested by Oh My!) - Virus, Trojan, Spyware, and Malware Removal Help
31 August 2021, BleepingComputer

JDBC in Java: 5 facts to know before you begin
30 May 2019, TheServerSide.com

Six free databases with commercial-quality features
3 December 2012, Network World

provided by Google News

Graph Database Market Quality & Quantity Analysis | IBM, Microsoft, Oracle
11 September 2021, The Manomet Current

Graph Database Market 2021 Global Business Opportunities ? IBM, Microsoft, Oracle, AWS, Neo4j, Orientdb, Terad
31 August 2021, openPR

2 Croatian Companies Make Top 50 Innovators in Europe
22 November 2017, Croatia Week

Knowledge graphs beyond the hype: Getting knowledge in and out of graphs and databases
19 September 2018, ZDNet

Graph Database Market with COVID-19 Impact Analysis by Type, Application, Component, Deployment Mode, Vertical and Region - Global Forecast to 2026
10 August 2021, Yahoo Finance

provided by Google News

Third Time Is The Charm For Nebula Graph Database
19 January 2021, The Next Platform

The future of graph database: vesoft unveils Nebula Graph 2.0 GA
24 March 2021, PR Web

Announcing winners of the OTEC-Emerge Technology Awards
17 September 2021, TechNode

Nebula Graph open sources Nebula Operator, embraces cloud native
29 April 2021, PR Web

Nebula Graph™ Database Secures $10 Million VC Funding in New Round
15 December 2020, PR Web

provided by Google News

Crunchy Data Delivers Trusted PostgreSQL Containers In Collaboration With The U.S. Department Of Defense
20 September 2021, Index-Journal

Amazon Aurora Supports PostgreSQL 13
5 September 2021, InfoQ.com

Instaclustr Adds PostgreSQL to Managed Platform in Public Preview
14 September 2021, Yahoo Finance

Get PostgreSQL PGCES-02 Certification with PGCES-02 Practice Dumps Questions
25 September 2021, The African Exponent

Crunchy Data provides trusted PostgreSQL containers in partnership with DoD
21 September 2021, Geospatial World

provided by Google News

Job opportunities

INTEGRATION SYSTEMS ENGINEER
Esperanto.ai, Mountain View, CA

Support Engineer - MySQL/PostgreSQL/MariaDB
Microsoft, Charlotte, NC

Software Tester
Miva, Remote

PostgreSQL Senior DBA
M&T Bank, Buffalo, NY

PostgreSQL DBA
Luxoft, Remote

PostgreSQL DBA with Oracle DBA
Meridian Technology Solutions Inc., Remote

jobs by Indeed



Share this page

Featured Products

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

Neo4j logo

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

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Vertica logo

The fastest unified analytical warehouse at extreme scale with in-database machine learning. Try Vertica for free with no time limit.

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

Present your product here