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DBMS > InterSystems Caché vs. Nebula Graph vs. PostgreSQL

System Properties Comparison InterSystems Caché vs. Nebula Graph vs. PostgreSQL

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Editorial information provided by DB-Engines
NameInterSystems Caché  Xexclude from comparisonNebula Graph  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionA multi-model DBMS and application serverA distributed, linear scalable, high perfomant Graph DBMSWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelKey-value store
Object oriented DBMS
Relational DBMS
Graph 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 storeDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.08
Rank#97  Overall
#16  Key-value stores
#1  Object oriented DBMS
#51  Relational DBMS
Score1.14
Rank#162  Overall
#15  Graph DBMS
Score586.97
Rank#4  Overall
#4  Relational DBMS
Websitewww.intersystems.com/­products/­cachegithub.com/­vesoft-inc/­nebula
nebula-graph.io
www.postgresql.org
Technical documentationdocs.intersystems.comdocs.nebula-graph.iowww.postgresql.org/­docs
DeveloperInterSystemsVesoft Inc.PostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release199720191989 info1989: Postgres, 1996: PostgreSQL
Current release2018.1.4, May 202014.0, September 2021
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
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++C
Server operating systemsAIX
HP Open VMS
HP-UX
Linux
OS X
Solaris
Windows
LinuxFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemedepending on used data modelStrong typed schemayes
Typing infopredefined data types such as float or dateyesyesyes
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.yesnoyes 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 SQLyesSQL-like query languageyes infostandard with numerous extensions
APIs and other access methods.NET Client API
JDBC
ODBC
RESTful HTTP API
Browser interface
console (shell)
Proprietary native API
Query language nGQL
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languagesC#
C++
Java
C++
Go
Java
Python
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyesuser 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 nodesnoneShardingpartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationCausal Clustering using Raft protocolSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyes infoRelationships in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlAccess rights for users, groups and rolesRole-based access controlfine grained access rights according to SQL-standard
More information provided by the system vendor
InterSystems CachéNebula 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

Nebula Graph meetup: New Release & Use Cases
12 October 2021

Nebula Graph SWAG Ready for You!
12 October 2021

Nebula Graph Source Code Explained: Planner
11 October 2021

Nebula Graph Source Code Explained: Scheduler & Executor
8 October 2021

Ecosystem Tools: Nebula Graph Dashboard for Monitoring
22 September 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.

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More resources
InterSystems CachéNebula 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

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Conferences and events

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

Recent citations in the news

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