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DBMS > EDB Postgres vs. IBM Cloudant vs. Kdb vs. NebulaGraph vs. SAP SQL Anywhere

System Properties Comparison EDB Postgres vs. IBM Cloudant vs. Kdb vs. NebulaGraph vs. SAP SQL Anywhere

Editorial information provided by DB-Engines
NameEDB Postgres  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonKdb  Xexclude from comparisonNebulaGraph  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparison
DescriptionThe EDB Postgres Platform is an enterprise-class data management platform based on the open source database PostgreSQL with flexible deployment options and Oracle compatibility features, complemented by tool kits for management, integration, and migration.Database as a Service offering based on Apache CouchDBHigh performance Time Series DBMSA distributed, linear scalable, high perfomant Graph DBMSRDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments
Primary database modelRelational DBMSDocument storeTime Series DBMS
Vector DBMS
Graph DBMSRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.90
Rank#135  Overall
#63  Relational DBMS
Score2.68
Rank#106  Overall
#20  Document stores
Score7.55
Rank#53  Overall
#3  Time Series DBMS
#1  Vector DBMS
Score2.14
Rank#120  Overall
#10  Graph DBMS
Score4.25
Rank#79  Overall
#43  Relational DBMS
Websitewww.enterprisedb.comwww.ibm.com/­products/­cloudantkx.comgithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
www.sap.com/­products/­technology-platform/­sql-anywhere.html
Technical documentationwww.enterprisedb.com/­docscloud.ibm.com/­docs/­Cloudantcode.kx.comdocs.nebula-graph.iohelp.sap.com/­docs/­SAP_SQL_Anywhere
DeveloperEnterpriseDBIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014Kx Systems, a division of First Derivatives plcVesoft Inc.SAP infoformerly Sybase
Initial release200520102000 infokdb was released 2000, kdb+ in 200320191992
Current release14, December 20213.6, May 201817, July 2015
License infoCommercial or Open Sourcecommercial infoBSD for PostgreSQL-componentscommercialcommercial infofree 32-bit versionOpen Source infoApache Version 2.0 + Common Clause 1.0commercial
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCErlangqC++
Server operating systemsLinux
Windows
hostedLinux
OS X
Solaris
Windows
LinuxAIX
HP-UX
Linux
OS X
Solaris
Windows
Data schemeyesschema-freeyesStrong typed schemayes
Typing infopredefined data types such as float or dateyesnoyesyesyes
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.yes infospecific XML-type available, but no XML query functionality.noyesnoyes
Secondary indexesyesyesyes infotable attribute 'grouped'yes 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 SQLyes infostandard with numerous extensionsnoSQL-like query language (q)SQL-like query languageyes
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
RESTful HTTP/JSON APIHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
Browser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
ADO.NET
HTTP API
JDBC
ODBC
Supported programming languages.Net
C
C++
Delphi
Java
Perl
PHP
Python
Tcl
C#
Java
JavaScript
Objective-C
PHP
Ruby
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C++
Go
Java
PHP
Python
C
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.View functions (Map-Reduce) in JavaScriptuser defined functionsuser defined functionsyes, in C/C++, Java, .Net or Perl
Triggersyesyesyes infowith viewsyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning infoby hash, list or rangeShardinghorizontal partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationMulti-source replication
Source-replica replication
Source-replica replicationCausal Clustering using Raft protocolSource-replica replication infoDatabase mirroring
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno infosimilar paradigm used for internal processingnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyes infoRelationships in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a document possiblenoACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes infoOptimistic lockingyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users can be defined per databaserights management via user accountsRole-based access controlfine grained access rights according to SQL-standard
More information provided by the system vendor
EDB PostgresIBM CloudantKdbNebulaGraphSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
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Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
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NebulaGraph boasts the world's only graph database solution that is able to host...
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Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
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Social networking Fraud detection Knowledge graph Data warehouse management Anti...
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Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
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Companies from a variety of industries have implemented NebulaGraph Database in production,...
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Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
» more
At our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
Licensing and pricing modelsupon request
» more
NebulaGraph is open source and free to use under Apache 2.0 license.
» more

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More resources
EDB PostgresIBM CloudantKdbNebulaGraphSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
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