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DBMS > EJDB vs. Galaxybase vs. gStore vs. NuoDB vs. Realm

System Properties Comparison EJDB vs. Galaxybase vs. gStore vs. NuoDB vs. Realm

Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonGalaxybase  Xexclude from comparisongStore  Xexclude from comparisonNuoDB  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Scalable, ACID-compliant native distributed parallel graph platformA native Graph DBMS to store and maintain very large RDF datasets.NuoDB is a webscale distributed database that supports SQL and ACID transactionsA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelDocument storeGraph DBMSGraph DBMS
RDF store
Relational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#297  Overall
#44  Document stores
Score0.00
Rank#383  Overall
#39  Graph DBMS
Score0.04
Rank#359  Overall
#37  Graph DBMS
#18  RDF stores
Score0.89
Rank#198  Overall
#92  Relational DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Websitegithub.com/­Softmotions/­ejdbgalaxybase.comen.gstore.cnwww.3ds.com/­nuodb-distributed-sql-databaserealm.io
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mden.gstore.cn/­#/­enDocsdoc.nuodb.comrealm.io/­docs
DeveloperSoftmotionsChuanglin(Createlink) Technology Co., Ltd 浙江创邻科技有限公司Dassault Systèmes infooriginally NuoDB, Inc.Realm, acquired by MongoDB in May 2019
Initial release20122017201620132014
Current releaseNov 20, November 20211.2, November 2023
License infoCommercial or Open SourceOpen Source infoGPLv2commercialOpen Source infoBSDcommercial infolimited edition freeOpen Source
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC and JavaC++C++
Server operating systemsserver-lessLinuxLinuxhosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Android
Backend: server-less
iOS
Windows
Data schemeschema-freeStrong typed schemaschema-free and OWL/RDFS-schema supportyesyes
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesyesyesyes
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.nononono
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnononoyesno
APIs and other access methodsin-process shared libraryBrowser interface
console (shell)
Graph API (Gremlin)
OpenCypher
Proprietary native API
HTTP API
SPARQL 1.1
ADO.NET
JDBC
ODBC
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Go
Java
Python
C++
Java
JavaScript (Node.js)
PHP
Python
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresnouser defined procedures and functionsyesJava, SQLno inforuns within the applications so server-side scripts are unnecessary
Triggersnoyesyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnoneShardingdata is dynamically stored/cached on the nodes where it is read/writtennone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infoManaged transparently by NuoDBnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possibleyes infoRelationships in graphsyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDyesACID infotunable commit protocolACID
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyesyes infoMVCC
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes infoTemporary tableyes infoIn-Memory realm
User concepts infoAccess controlnoRole-based access controlUsers, roles and permissions, Role-Based Access Control (RBAC) supportedStandard SQL roles/ privileges, Administrative Usersyes

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More resources
EJDBGalaxybasegStoreNuoDBRealm
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