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DBMS > EJDB vs. FaunaDB vs. Nebula Graph vs. TimesTen

System Properties Comparison EJDB vs. FaunaDB vs. Nebula Graph vs. TimesTen

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonFaunaDB  Xexclude from comparisonNebula Graph  Xexclude from comparisonTimesTen  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Strongly consistent database capable of global horizontal scale with a focus on operational simplicityA distributed, linear scalable, high perfomant Graph DBMSIn-Memory RDBMS compatible to Oracle
Primary database modelDocument storeDocument store
Graph DBMS
Relational DBMS
Time Series DBMS
Graph DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.20
Rank#272  Overall
#36  Document stores
Score1.70
Rank#130  Overall
#19  Document stores
#8  Graph DBMS
#64  Relational DBMS
#9  Time Series DBMS
Score0.35
Rank#243  Overall
#19  Graph DBMS
Score2.27
Rank#115  Overall
#56  Relational DBMS
Websiteejdb.orgfauna.comgithub.com/­vesoft-inc/­nebula
nebula-graph.io
www.oracle.com/­database/­technologies/­related/­timesten.html
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mddocs.fauna.comdocs.nebula-graph.iodocs.oracle.com/­database/­timesten-18.1
DeveloperSoftmotionsFauna, Inc.Vesoft Inc.Oracle, TimesTen Performance Software, HP infooriginally founded in HP Labs it was acquired by Oracle in 2005
Initial release2012201420191998
Current release11 Release 2 (11.2.2.8.0)
License infoCommercial or Open SourceOpen Source infoGPLv2commercialOpen Source infoApache Version 2.0 + Common Clause 1.0commercial
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.
Implementation languageCScalaC++
Server operating systemsserver-lessLinuxLinuxAIX
HP-UX
Linux
OS X
Solaris SPARC/x86
Windows
Data schemeschema-freeschema-freeStrong typed schemayes
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idnoyesyes
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.nonono
Secondary indexesnoyesyes 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 SQLnonoSQL-like query languageyes
APIs and other access methodsin-process shared libraryRESTful HTTP APIBrowser interface
console (shell)
Proprietary native API
Query language nGQL
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
C#
Go
Java
JavaScript
Python
Ruby
Scala
Swift
C++
Go
Java
Python
C
C++
Java
PL/SQL
Server-side scripts infoStored proceduresnouser defined functionsPL/SQL
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning infoconsistent hashingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replicationCausal Clustering using Raft protocolMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency or Eventual Consistency depending on configuration
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possibleyesyes infoRelationships in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyesyes
Durability infoSupport for making data persistentyesyesyes infousing RocksDByes infoby means of logfiles and checkpoints
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlnoIdentity management, authentication, and access controlRole-based access controlfine grained access rights according to SQL-standard
More information provided by the system vendor
EJDBFaunaDBNebula GraphTimesTen
Specific characteristicsNebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
The world's first commercial In-Memory Relational Database offering (launched in...
» more
Competitive advantagesNebula Graph boasts the world's only graph database solution that is able to host...
» more
TimesTen offers many advantages over competing products: Mature product with nearly...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
TimesTen can be used in a wide range of application areas. Some examples include:...
» more
Key customersCurrently we have some top internet companies in China implementing Nebula Graph...
» more
Some of our key customers include Ericsson , Telcordia , China Mobile, China Telecom,...
» more
Market metricsAt our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more
TimesTen is used by thousands of customers in tens of thousands of deployments worldwide...
» more
Licensing and pricing modelsNebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more
Standard Oracle licence models ; end user and ISV/OEM licence terms available.
» more
News

New Players: Something You Should Know When Reading Nebula Graph Source Code
4 August 2020

Pick of the Week at Nebula Graph - GO with int Type
31 July 2020

Pick of the Week at Nebula Graph - FETCH Syntax Goes Further with New Features
24 July 2020

Why Using Hugo as Static Site Generator - Hands-on Experience at Nebula Graph
21 July 2020

Pick of the Week at Nebula Graph - SQL vs nGQL & Job Manager in Nebula Graph
17 July 2020

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

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More resources
EJDBFaunaDBNebula GraphTimesTen
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