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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 measures the popularity of database management systems
Trend Chart
Score0.41
Rank#178  Overall
#9  Graph DBMS
#7  RDF stores
Websitestardog.com
Technical documentationdocs.stardog.com
DeveloperComplexible Inc.
Initial release2010
Current release4.2.4, March 2017
License Commercial or Open Sourcecommercial Limited community edition free
Cloud-based Only available as a cloud serviceno
Implementation languageJava
Server operating systemsAll OS with a Java VM
Data schemeschema-free
Typing predefined data types such as float or dateyes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no Import/export of XML data possible
Secondary indexesyes
SQL Support of (almost full) SQL standard (DML, DDL and DCL statements)no SPARQL
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 Stored proceduresno
Triggersyes via event handlers
Partitioning methods Methods for storing different data on different nodesnone
Replication methods Methods for redundantly storing data on multiple nodesMaster-master replication in HA-Cluster using Apache ZooKeeper
MapReduce Offers an API for user-defined Map/Reduce methodsno
Consistency concepts Methods to ensure consistency in a distributed systemImmediate Consistency in HA-Cluster
Foreign keys Referential integrityyes relationships in graphs
Transaction concepts Support to ensure data integrity after non-atomic manipulations of dataACID
Concurrency Support for concurrent manipulation of datayes
Durability Support for making data persistentyes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.yes
User concepts Access controlAccess rights for users and roles

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