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DBMS > Stardog

Stardog System Properties

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Editorial information provided by DB-Engines
NameStardog
DescriptionSemantic graph DBMS, developed in Java
Database modelGraph DBMS
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.55
Rank#171  Overall
#9  Graph DBMS
#5  RDF stores
Websitewww.stardog.com
Technical documentationwww.stardog.com/­docs
DeveloperComplexible Inc.
Initial release2010
Current release4.2.4, March 2017
License infoCommercial or Open Sourcecommercial infoLimited community edition free
Cloud-based infoOnly available as a cloud serviceno
Implementation languageJava
Server operating systemsAll OS with a Java VM
Data schemeschema-free
Typing infopredefined data types such as float or dateyes
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.no infoImport/export of XML data possible
Secondary indexesyes
SQL infoSupport of (almost entire) SQL standard (DML, DDL and DCL statements)no infoSPARQL
APIs and other access methodsHTTP API
OWL
SPARQL
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Supported programming languages.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresno
Triggersyes infovia event handlers
Partitioning methods infoMethods for storing different data on different nodesnone
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication in HA-Cluster infousing Apache ZooKeeper
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency in HA-Cluster
Foreign keys infoReferential integrityyes inforelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlAccess rights for users and roles

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