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DBMS > Kdb vs. Percona Server for MongoDB vs. TerminusDB

System Properties Comparison Kdb vs. Percona Server for MongoDB vs. TerminusDB

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Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonPercona Server for MongoDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionHigh performance Time Series DBMSA drop-in replacement for MongoDB Community Edition with enterprise-grade features.Scalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelTime Series DBMS
Vector DBMS
Document storeGraph DBMS
Secondary database modelsRelational DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.55
Rank#53  Overall
#3  Time Series DBMS
#1  Vector DBMS
Score0.52
Rank#254  Overall
#39  Document stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitekx.comwww.percona.com/­mongodb/­software/­percona-server-for-mongodbterminusdb.com
Technical documentationcode.kx.comdocs.percona.com/­percona-distribution-for-mongodbterminusdb.github.io/­terminusdb/­#
DeveloperKx Systems, a division of First Derivatives plcPerconaDataChemist Ltd.
Initial release2000 infokdb was released 2000, kdb+ in 200320152018
Current release3.6, May 20183.4.10-2.10, November 201711.0.0, January 2023
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source infoGPL Version 2Open Source infoGPL V3
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 languageqC++Prolog, Rust
Server operating systemsLinux
OS X
Solaris
Windows
LinuxLinux
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyes
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
SQL infoSupport of SQLSQL-like query language (q)noSQL-like query language (WOQL)
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
proprietary protocol using JSONOWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Actionscript
C
C#
C++
Clojure
ColdFusion
D
Dart
Delphi
Erlang
Go
Groovy
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Scala
Smalltalk
JavaScript
Python
Server-side scripts infoStored proceduresuser defined functionsJavaScriptyes
Triggersyes infowith viewsnoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSource-replica replicationJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infovia In-Memory Engine
User concepts infoAccess controlrights management via user accountsAccess rights for users and rolesRole-based access control
More information provided by the system vendor
KdbPercona Server for MongoDBTerminusDB infoformer name was DataChemist
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
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Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
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Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
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Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
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Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
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Licensing and pricing modelsupon request
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More resources
KdbPercona Server for MongoDBTerminusDB infoformer name was DataChemist
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