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DBMS > Qdrant vs. RDF4J vs. XTDB

System Properties Comparison Qdrant vs. RDF4J vs. XTDB

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Editorial information provided by DB-Engines
NameQdrant  Xexclude from comparisonRDF4J infoformerly known as Sesame  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionA high-performance vector database with neural network or semantic-based matchingRDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.A general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelVector DBMSRDF storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.16
Rank#175  Overall
#6  Vector DBMS
Score0.69
Rank#230  Overall
#9  RDF stores
Score0.11
Rank#343  Overall
#46  Document stores
Websitegithub.com/­qdrant/­qdrant
qdrant.tech
rdf4j.orggithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationqdrant.tech/­documentationrdf4j.org/­documentationwww.xtdb.com/­docs
DeveloperQdrantSince 2016 officially forked into an Eclipse project, former developer was Aduna Software.Juxt Ltd.
Initial release202120042019
Current release1.19, September 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoEclipse Distribution License (EDL), v1.0.Open Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageRustJavaClojure
Server operating systemsDocker
Linux
macOS
Windows
Linux
OS X
Unix
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeyes infoRDF Schemasschema-free
Typing infopredefined data types such as float or dateNumbers, Strings, Geo, Booleanyesyes, 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.nono
Secondary indexesyes infoKeywords, numberic ranges, geo, full-textyesyes
SQL infoSupport of SQLnonolimited SQL, making use of Apache Calcite
APIs and other access methodsgRPC
OpenAPI 3.0
RESTful HTTP/JSON API infoOpenAPI 3.0
Java API
RIO infoRDF Input/Output
Sail API
SeRQL infoSesame RDF Query Language
Sesame REST HTTP Protocol
SPARQL
HTTP REST
JDBC
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
Rust
Java
PHP
Python
Clojure
Java
Server-side scripts infoStored proceduresyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesCollection-level replicationnoneyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency, tunable consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoIsolation support depends on the API usedACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoin-memory storage is supported as wellyes, 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.yes
User concepts infoAccess controlKey-based authenticationno

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More resources
QdrantRDF4J infoformerly known as SesameXTDB infoformerly named Crux
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Open source vector database startup Qdrant raises $28M
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Qdrant offers managed vector database for hybrid clouds
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Open-source vector database Qdrant launches hybrid cloud for enterprise AI apps
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