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DBMS > Stardog vs. Trafodion vs. VelocityDB vs. Weaviate vs. XTDB

System Properties Comparison Stardog vs. Trafodion vs. VelocityDB vs. Weaviate vs. XTDB

Editorial information provided by DB-Engines
NameStardog  Xexclude from comparisonTrafodion  Xexclude from comparisonVelocityDB  Xexclude from comparisonWeaviate  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionEnterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualizationTransactional SQL-on-Hadoop DBMSA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)An AI-native realtime vector database engine that integrates scalable machine learning models.A general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelGraph DBMS
RDF store
Relational DBMSGraph DBMS
Object oriented DBMS
Vector DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.07
Rank#122  Overall
#11  Graph DBMS
#6  RDF stores
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Score1.52
Rank#153  Overall
#6  Vector DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websitewww.stardog.comtrafodion.apache.orgvelocitydb.comgithub.com/­weaviate/­weaviate
weaviate.io
github.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationdocs.stardog.comtrafodion.apache.org/­documentation.htmlvelocitydb.com/­UserGuideweaviate.io/­developers/­weaviatewww.xtdb.com/­docs
DeveloperStardog-UnionApache Software Foundation, originally developed by HPVelocityDB IncWeaviate B.V.Juxt Ltd.
Initial release20102014201120192019
Current release7.3.0, May 20202.3.0, February 20197.x1.19, May 20231.19, September 2021
License infoCommercial or Open Sourcecommercial info60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/studentsOpen Source infoApache 2.0commercialOpen Source infocommercial license available with Weaviate EnterpriseOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++, JavaC#GoClojure
Server operating systemsLinux
macOS
Windows
LinuxAny that supports .NETAll OS with a Java 8 (and higher) VM
Linux
Data schemeschema-free and OWL/RDFS-schema supportyesyesyes, maps to GraphQL interfaceschema-free
Typing infopredefined data types such as float or dateyesyesyesyes infostring, int, float, geo point, date, cross reference, fuzzy referencesyes, extensible-data-notation format
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 possiblenononono
Secondary indexesyes infosupports real-time indexing in full-text and geospatialyesyesyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexedyes
SQL infoSupport of SQLYes, compatible with all major SQL variants through dedicated BI/SQL ServeryesnoGraphQL is used as query languagelimited SQL, making use of Apache Calcite
APIs and other access methodsGraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3
ADO.NET
JDBC
ODBC
.NetGraphQL query language
RESTful HTTP/JSON API
HTTP REST
JDBC
Supported programming languages.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
All languages supporting JDBC/ODBC/ADO.Net.NetJavaScript / TypeScript
Python
Clojure
Java
Server-side scripts infoStored proceduresuser defined functions and aggregates, HTTP Server extensions in JavaJava Stored Proceduresnonono
Triggersyes infovia event handlersnoCallbacks are triggered when data changesnono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication in HA-Clusteryes, via HBaseyesyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infovia user defined functions and HBasenonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency in HA-ClusterImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyes inforelationships in graphsyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyes
User concepts infoAccess controlAccess rights for users and rolesfine grained access rights according to SQL-standardBased on Windows AuthenticationAPI Keys
OpenID Connect Discovery
More information provided by the system vendor
StardogTrafodionVelocityDBWeaviateXTDB infoformerly named Crux
Specific characteristicsWeaviate is an open source vector database that is robust, scalable, cloud-native,...
» more
Competitive advantagesFlexible deployment - Free, open source or fully-managed cloud vector database service...
» more
Typical application scenariosAs a database supporting the development of generative AI and semantic search applications...
» more
Key customersAll companies that have data. ​
» more
Market metricsAs of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
» more
Licensing and pricing modelsWeaviate is open-source, and free to use. Weaviate is also available as a fully managed...
» more

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More resources
StardogTrafodionVelocityDBWeaviateXTDB infoformerly named Crux
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