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DBMS > OpenMLDB vs. Postgres-XL vs. Prometheus vs. SpatiaLite

System Properties Comparison OpenMLDB vs. Postgres-XL vs. Prometheus vs. SpatiaLite

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Editorial information provided by DB-Engines
NameOpenMLDB  Xexclude from comparisonPostgres-XL  Xexclude from comparisonPrometheus  Xexclude from comparisonSpatiaLite  Xexclude from comparison
DescriptionAn open-source machine learning database that provides a feature platform for training and inferenceBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresOpen-source Time Series DBMS and monitoring systemSpatial extension of SQLite
Primary database modelTime Series DBMSRelational DBMSTime Series DBMSSpatial DBMS
Secondary database modelsRelational DBMSDocument store
Spatial DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score0.49
Rank#256  Overall
#117  Relational DBMS
Score8.42
Rank#47  Overall
#2  Time Series DBMS
Score1.60
Rank#149  Overall
#3  Spatial DBMS
Websiteopenmldb.aiwww.postgres-xl.orgprometheus.iowww.gaia-gis.it/­fossil/­libspatialite/­index
Technical documentationopenmldb.ai/­docs/­zh/­mainwww.postgres-xl.org/­documentationprometheus.io/­docswww.gaia-gis.it/­gaia-sins/­spatialite_topics.html
Developer4 Paradigm Inc.Alessandro Furieri
Initial release20202014 infosince 2012, originally named StormDB20152008
Current release2024-2 February 202410 R1, October 20185.0.0, August 2020
License infoCommercial or Open SourceOpen SourceOpen Source infoMozilla public licenseOpen Source infoApache 2.0Open Source infoMPL 1.1, GPL v2.0 or LGPL v2.1
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, Java, ScalaCGoC++
Server operating systemsLinuxLinux
macOS
Linux
Windows
server-less
Data schemeFixed schemayesyesyes
Typing infopredefined data types such as float or dateyesyesNumeric data onlyyes
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.noyes infoXML type, but no XML query functionalityno infoImport of XML data possibleno
Secondary indexesyesyesnoyes
SQL infoSupport of SQLyesyes infodistributed, parallel query executionnoyes
APIs and other access methodsJDBC
SQLAlchemy
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
RESTful HTTP/JSON API
Supported programming languagesC++
Go
Java
Python
Scala
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
Server-side scripts infoStored proceduresnouser defined functionsnono
Triggersnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioninghorizontal partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes infoby Federationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infoMVCCnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnonoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardnono

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More resources
OpenMLDBPostgres-XLPrometheusSpatiaLite
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