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DBMS > DataChemist vs. eXtremeDB

System Properties Comparison DataChemist vs. eXtremeDB

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Editorial information provided by DB-Engines
NameDataChemist  Xexclude from comparisoneXtremeDB  Xexclude from comparison
DescriptionScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsNatively in-memory DBMS with options for persistency, high-availability and clustering
Primary database modelGraph DBMSRelational DBMS
Time Series DBMS
Secondary database modelsRDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#305  Overall
#31  Graph DBMS
Score0.43
Rank#220  Overall
#105  Relational DBMS
#11  Time Series DBMS
Websitewww.datachemist.comwww.mcobject.com/­extremedbfamily
Technical documentationwww.datachemist.com/­images/­uploads/­general/­Evolving_MeaningfulValuefromEnterpriseData.pdfwww.mcobject.com/­docs/­eXtremeDB.htm
DeveloperDataChemist Ltd.McObject
Initial release20182001
Current release1.0, 20188.0, May 2018
License infoCommercial or Open Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languagePrologC and C++
Server operating systemsLinuxAIX
HP-UX
Linux
macOS
Solaris
Windows
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes
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 infosupport of XML interfaces available
Secondary indexesyes
SQL infoSupport of SQLSQL-like query language (WOQL)yes infowith the option: eXtremeSQL
APIs and other access methodsOWL
RESTful HTTP API
WOQL (DataChemist Query Language)
.NET Client API
JDBC
JNI
ODBC
proprietary protocol
Supported programming languagesJavaScript
Python
.Net
C
C#
C++
Java
Lua
Python
Server-side scripts infoStored proceduresyesyes
Triggersyesyes infoby defining events
Partitioning methods infoMethods for storing different data on different nodesGraph Partitioninghorizontal partitioning / sharding
Replication methods infoMethods for redundantly storing data on multiple nodesJournaling StreamsMaster-master replication infoby means of eXtremeDB Cluster option
Master-slave replication infoby means of eXtremeDB High Availability option
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic (MVCC) and pessimistic (locking) strategies available
Durability infoSupport for making data persistentyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlRole-based access control
More information provided by the system vendor
DataChemisteXtremeDB
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
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Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsWith hundreds of customers and over 28 million devices/applications using the product...
» more
Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
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DataChemisteXtremeDB
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