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DBMS > EXASOL vs. OpenMLDB vs. Percona Server for MongoDB vs. SQL.JS vs. TempoIQ

System Properties Comparison EXASOL vs. OpenMLDB vs. Percona Server for MongoDB vs. SQL.JS vs. TempoIQ

Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonOpenMLDB  Xexclude from comparisonPercona Server for MongoDB  Xexclude from comparisonSQL.JS  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.An open-source machine learning database that provides a feature platform for training and inferenceA drop-in replacement for MongoDB Community Edition with enterprise-grade features.Port of SQLite to JavaScriptScalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelRelational DBMSTime Series DBMSDocument storeRelational DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.66
Rank#138  Overall
#64  Relational DBMS
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Score0.50
Rank#250  Overall
#39  Document stores
Score0.53
Rank#246  Overall
#115  Relational DBMS
Websitewww.exasol.comopenmldb.aiwww.percona.com/­mongodb/­software/­percona-server-for-mongodbsql.js.orgtempoiq.com (offline)
Technical documentationwww.exasol.com/­resourcesopenmldb.ai/­docs/­zh/­maindocs.percona.com/­percona-distribution-for-mongodbsql.js.org/­documentation/­index.html
DeveloperExasol4 Paradigm Inc.PerconaAlon Zakai infoenhancements implemented by othersTempoIQ
Initial release20002020201520122012
Current release2024-2 February 20243.4.10-2.10, November 2017
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoGPL Version 2Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++, Java, ScalaC++JavaScript
Server operating systemsLinuxLinuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesFixed schemaschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.nonononono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesyesnoyes infoSQL-92 is not fully supportedno
APIs and other access methods.Net
JDBC
ODBC
WebSocket
JDBC
SQLAlchemy
proprietary protocol using JSONJavaScript APIHTTP API
Supported programming languagesJava
Lua
Python
R
C++
Go
Java
Python
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
JavaScriptC#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresuser defined functionsnoJavaScriptnono
Triggersyesnononoyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
none
Foreign keys infoReferential integrityyesnonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infovia In-Memory Engineyesno
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standardAccess rights for users and rolesnosimple authentication-based access control

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More resources
EXASOLOpenMLDBPercona Server for MongoDBSQL.JSTempoIQ infoformerly TempoDB
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