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DBMS > Kdb vs. OpenQM vs. Qdrant vs. SpatiaLite vs. TerarkDB

System Properties Comparison Kdb vs. OpenQM vs. Qdrant vs. SpatiaLite vs. TerarkDB

Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonQdrant  Xexclude from comparisonSpatiaLite  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionHigh performance Time Series DBMSQpenQM is a high-performance, self-tuning, multi-value DBMSA high-performance vector database with neural network or semantic-based matchingSpatial extension of SQLiteA key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelTime Series DBMS
Vector DBMS
Multivalue DBMSVector DBMSSpatial DBMSKey-value store
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.71
Rank#49  Overall
#2  Time Series DBMS
#1  Vector DBMS
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score1.28
Rank#167  Overall
#7  Vector DBMS
Score1.63
Rank#146  Overall
#3  Spatial DBMS
Score0.08
Rank#367  Overall
#56  Key-value stores
Websitekx.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmgithub.com/­qdrant/­qdrant
qdrant.tech
www.gaia-gis.it/­fossil/­libspatialite/­indexgithub.com/­bytedance/­terarkdb
Technical documentationcode.kx.comqdrant.tech/­documentationwww.gaia-gis.it/­gaia-sins/­spatialite_topics.htmlbytedance.larkoffice.com/­docs/­doccnZmYFqHBm06BbvYgjsHHcKc
DeveloperKx Systems, a division of First Derivatives plcRocket Software, originally Martin PhillipsQdrantAlessandro FurieriByteDance, originally Terark
Initial release2000 infokdb was released 2000, kdb+ in 20031993202120082016
Current release3.6, May 20183.4-125.0.0, August 2020
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source infoGPLv2, extended commercial license availableOpen Source infoApache Version 2.0Open Source infoMPL 1.1, GPL v2.0 or LGPL v2.1commercial inforestricted open source version available
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 languageqRustC++C++
Server operating systemsLinux
OS X
Solaris
Windows
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Docker
Linux
macOS
Windows
server-less
Data schemeyesyes infowith some exceptionsschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesNumbers, Strings, Geo, Booleanyesno
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.yesyesnonono
Secondary indexesyes infotable attribute 'grouped'yesyes infoKeywords, numberic ranges, geo, full-textyesno
SQL infoSupport of SQLSQL-like query language (q)nonoyesno
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
gRPC
OpenAPI 3.0
RESTful HTTP/JSON API infoOpenAPI 3.0
C++ API
Java API
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
.Net
Go
Java
JavaScript (Node.js)
Python
Rust
C++
Java
Server-side scripts infoStored proceduresuser defined functionsyesnono
Triggersyes infowith viewsyesyesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningyesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyesCollection-level replicationnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency, tunable consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlrights management via user accountsAccess rights can be defined down to the item levelKey-based authenticationnono
More information provided by the system vendor
KdbOpenQM infoalso called QMQdrantSpatiaLiteTerarkDB
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
» more
Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Licensing and pricing modelsupon request
» more

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More resources
KdbOpenQM infoalso called QMQdrantSpatiaLiteTerarkDB
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