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DBMS > Kdb vs. TerminusDB vs. Weaviate

System Properties Comparison Kdb vs. TerminusDB vs. Weaviate

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Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionHigh performance Time Series DBMSScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsAn AI-native realtime vector database engine that integrates scalable machine learning models.
Primary database modelTime Series DBMS
Vector DBMS
Graph DBMSVector DBMS
Secondary database modelsRelational DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.70
Rank#53  Overall
#3  Time Series DBMS
#1  Vector DBMS
Score0.22
Rank#323  Overall
#28  Graph DBMS
Score1.89
Rank#138  Overall
#4  Vector DBMS
Websitekx.comterminusdb.comgithub.com/­weaviate/­weaviate
weaviate.io
Technical documentationcode.kx.comterminusdb.github.io/­terminusdb/­#weaviate.io/­developers/­weaviate
DeveloperKx Systems, a division of First Derivatives plcDataChemist Ltd.Weaviate B.V.
Initial release2000 infokdb was released 2000, kdb+ in 200320182019
Current release3.6, May 201811.0.0, January 20231.19, May 2023
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source infoGPL V3Open Source infocommercial license available with Weaviate Enterprise
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 languageqProlog, RustGo
Server operating systemsLinux
OS X
Solaris
Windows
Linux
Data schemeyesyesyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesyes infostring, int, float, geo point, date, cross reference, fuzzy references
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.yesnono
Secondary indexesyes infotable attribute 'grouped'yes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLSQL-like query language (q)SQL-like query language (WOQL)GraphQL is used as query language
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
JavaScript
Python
JavaScript / TypeScript
Python
Server-side scripts infoStored proceduresuser defined functionsyesno
Triggersyes infowith viewsyesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationJournaling Streamsyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlrights management via user accountsRole-based access controlAPI Keys
OpenID Connect Discovery
More information provided by the system vendor
KdbTerminusDB infoformer name was DataChemistWeaviate
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
Weaviate is an open source vector database that is robust, scalable, cloud-native,...
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Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
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Flexible deployment - Free, open source or fully-managed cloud vector database service...
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Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
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As a database supporting the development of generative AI and semantic search applications...
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Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
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All companies that have data. ​
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Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
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As of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
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Licensing and pricing modelsupon request
» more
Weaviate is open-source, and free to use. Weaviate is also available as a fully managed...
» more

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More resources
KdbTerminusDB infoformer name was DataChemistWeaviate
DB-Engines blog posts

Weaviate, an ANN Database with CRUD support
2 February 2021,  Etienne Dilocker, SeMI Technologies (sponsor) 

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