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DBMS > Kdb vs. LMDB vs. Machbase Neo vs. MaxDB vs. PostGIS

System Properties Comparison Kdb vs. LMDB vs. Machbase Neo vs. MaxDB vs. PostGIS

Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonLMDB  Xexclude from comparisonMachbase Neo infoFormer name was Infiniflux  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionHigh performance Time Series DBMSA high performant, light-weight, embedded key-value database libraryTimeSeries DBMS for AIoT and BigDataA robust and reliable RDBMS optimized to run all major SAP solutionsSpatial extension of PostgreSQL
Primary database modelTime Series DBMS
Vector DBMS
Key-value storeTime Series DBMSRelational DBMSSpatial DBMS
Secondary database modelsRelational DBMSRelational 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
Score1.94
Rank#120  Overall
#20  Key-value stores
Score0.07
Rank#348  Overall
#34  Time Series DBMS
Score2.15
Rank#115  Overall
#55  Relational DBMS
Score20.16
Rank#29  Overall
#1  Spatial DBMS
Websitekx.comwww.symas.com/­symas-embedded-database-lmdbmachbase.commaxdb.sap.compostgis.net
Technical documentationcode.kx.comwww.lmdb.tech/­docmachbase.com/­dbmsmaxdb.sap.com/­documentationpostgis.net/­documentation
DeveloperKx Systems, a division of First Derivatives plcSymasMachbaseSAP, acquired from Software AG (Adabas-D) in 1997
Initial release2000 infokdb was released 2000, kdb+ in 20032011201319842005
Current release3.6, May 20180.9.32, January 2024V8.0, August 20237.9.10.12, February 20243.4.2, February 2024
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Sourcecommercial infofree test version availablecommercial infoLimited community edition freeOpen Source infoGPL v2.0
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 languageqCCC++C
Server operating systemsLinux
OS X
Solaris
Windows
Linux
Unix
Windows
Linux
macOS
Windows
AIX
HP-UX
Linux
Solaris
Windows
Data schemeyesschema-freeyesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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.yesnononoyes
Secondary indexesyes infotable attribute 'grouped'noyesyesyes
SQL infoSupport of SQLSQL-like query language (q)noSQL-like query languageyesyes
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
gRPC
HTTP REST
JDBC
MQTT (Message Queue Telemetry Transport)
ODBC
ADO.NET
JDBC
ODBC
WebDAV
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
C
C#
C++
Go
Java
JavaScript
PHP infovia ODBC
Python
R infovia ODBC
Scala
.Net
C#
Java
Perl
PHP
Python
Server-side scripts infoStored proceduresuser defined functionsnonoyesuser defined functions
Triggersyes infowith viewsnonoyesyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnoneShardingnoneyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnoneselectable replication factorSource-replica replicationyes infobased on PostgreSQL
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 ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infovolatile and lookup tablenono
User concepts infoAccess controlrights management via user accountsnosimple password-based access controlfine grained access rights according to SQL-standardyes infobased on PostgreSQL
More information provided by the system vendor
KdbLMDBMachbase Neo infoFormer name was InfinifluxMaxDB infoformerly named Adabas-DPostGIS
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
KdbLMDBMachbase Neo infoFormer name was InfinifluxMaxDB infoformerly named Adabas-DPostGIS
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