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DBMS > EJDB vs. Galaxybase vs. Hypertable vs. Oracle Coherence

System Properties Comparison EJDB vs. Galaxybase vs. Hypertable vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonGalaxybase  Xexclude from comparisonHypertable  Xexclude from comparisonOracle Coherence  Xexclude from comparison
Hypertable has stopped its further development with March 2016 and is removed from the DB-Engines ranking.
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Scalable, ACID-compliant native distributed parallel graph platformAn open source BigTable implementation based on distributed file systems such as HadoopOracles in-memory data grid solution
Primary database modelDocument storeGraph DBMSWide column storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#331  Overall
#46  Document stores
Score0.00
Rank#385  Overall
#40  Graph DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Websitegithub.com/­Softmotions/­ejdbgalaxybase.comwww.oracle.com/­java/­coherence
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mddocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperSoftmotionsChuanglin(Createlink) Technology Co., Ltd 浙江创邻科技有限公司Hypertable Inc.Oracle
Initial release2012201720092007
Current releaseNov 20, November 20210.9.8.11, March 201614.1, August 2023
License infoCommercial or Open SourceOpen Source infoGPLv2commercialOpen Source infoGNU version 3. Commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC and JavaC++Java
Server operating systemsserver-lessLinuxLinux
OS X
Windows infoan inofficial Windows port is available
All OS with a Java VM
Data schemeschema-freeStrong typed schemaschema-freeschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesnoyes
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.nono
Secondary indexesnoyesrestricted infoonly exact value or prefix value scansno
SQL infoSupport of SQLnononono
APIs and other access methodsin-process shared libraryBrowser interface
console (shell)
Graph API (Gremlin)
OpenCypher
Proprietary native API
C++ API
Thrift
JCache
JPA
RESTful HTTP API
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Go
Java
Python
C++
Java
Perl
PHP
Python
Ruby
.Net
C++
Java
Server-side scripts infoStored proceduresnouser defined procedures and functionsnono
Triggersnonoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor on file system levelyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possibleyes infoRelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoconfigurable
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlnoRole-based access controlnoauthentification to access the cache via certificates or http basic authentication

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More resources
EJDBGalaxybaseHypertableOracle Coherence
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