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DBMS > Kdb vs. NuoDB vs. searchxml vs. SingleStore vs. Weaviate

System Properties Comparison Kdb vs. NuoDB vs. searchxml vs. SingleStore vs. Weaviate

Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonNuoDB  Xexclude from comparisonsearchxml  Xexclude from comparisonSingleStore infoformer name was MemSQL  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionHigh performance Time Series DBMSNuoDB is a webscale distributed database that supports SQL and ACID transactionsDBMS for structured and unstructured content wrapped with an application serverMySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storage with patented universal storage to handle transactional and analytical workloads in one single table typeAn AI-native realtime vector database engine that integrates scalable machine learning models.
Primary database modelTime Series DBMS
Vector DBMS
Relational DBMSNative XML DBMS
Search engine
Relational DBMSVector DBMS
Secondary database modelsRelational DBMSDocument store
Spatial DBMS
Time Series DBMS
Vector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.73
Rank#45  Overall
#2  Time Series DBMS
#1  Vector DBMS
Score0.87
Rank#201  Overall
#94  Relational DBMS
Score0.00
Rank#385  Overall
#7  Native XML DBMS
#24  Search engines
Score4.02
Rank#74  Overall
#39  Relational DBMS
Score1.48
Rank#149  Overall
#8  Vector DBMS
Websitekx.comwww.3ds.com/­nuodb-distributed-sql-databasewww.searchxml.net/­category/­productswww.singlestore.comgithub.com/­weaviate/­weaviate
weaviate.io
Technical documentationcode.kx.comdoc.nuodb.comwww.searchxml.net/­support/­handoutsdocs.singlestore.comweaviate.io/­developers/­weaviate
DeveloperKx Systems, a division of First Derivatives plcDassault Systèmes infooriginally NuoDB, Inc.informationpartners gmbhSingleStore Inc.Weaviate B.V.
Initial release2000 infokdb was released 2000, kdb+ in 20032013201520132019
Current release3.6, May 20181.08.5, January 20241.19, May 2023
License infoCommercial or Open Sourcecommercial infofree 32-bit versioncommercial infolimited edition freecommercialcommercial infofree developer edition availableOpen Source infocommercial license available with Weaviate Enterprise
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 languageqC++C++C++, GoGo
Server operating systemsLinux
OS X
Solaris
Windows
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
WindowsLinux info64 bit version required
Data schemeyesyesschema-freeyesyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesyesyesyes 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.yesnoyesnono
Secondary indexesyes infotable attribute 'grouped'yesyesyesyes 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)yesnoyes infobut no triggers and foreign keysGraphQL is used as query language
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
ADO.NET
JDBC
ODBC
RESTful HTTP API
WebDAV
XQuery
XSLT
Cluster Management API infoas HTTP Rest and CLI
HTTP API
JDBC
MongoDB API
ODBC
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
C++ infomost other programming languages supported via APIsBash
C
C#
Java
JavaScript (Node.js)
Python
JavaScript / TypeScript
Python
Server-side scripts infoStored proceduresuser defined functionsJava, SQLyes infoon the application serveryesno
Triggersyes infowith viewsyesnonono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningdata is dynamically stored/cached on the nodes where it is read/writtennoneSharding infohash partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes infoManaged transparently by NuoDByes infosychronisation to multiple collectionsSource-replica replication infostores two copies of each physical data partition on two separate nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnonono infocan define user-defined aggregate functions for map-reduce-style calculationsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infotunable commit protocolmultiple readers, single writerACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyesyes infoAll updates are persistent, including those to disk-based columnstores and memory-based row stores. Transaction commits are supported via write-ahead log.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTemporary tablenoyesyes
User concepts infoAccess controlrights management via user accountsStandard SQL roles/ privileges, Administrative UsersDomain, group and role-based access control at the document level and for application servicesFine grained access control via users, groups and rolesAPI Keys
OpenID Connect Discovery
More information provided by the system vendor
KdbNuoDBsearchxmlSingleStore infoformer name was MemSQLWeaviate
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
KdbNuoDBsearchxmlSingleStore infoformer name was MemSQLWeaviate
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