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DBMS > OpenMLDB vs. Splunk vs. SQream DB vs. Trafodion

System Properties Comparison OpenMLDB vs. Splunk vs. SQream DB vs. Trafodion

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Editorial information provided by DB-Engines
NameOpenMLDB  Xexclude from comparisonSplunk  Xexclude from comparisonSQream DB  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionAn open-source machine learning database that provides a feature platform for training and inferenceAnalytics Platform for Big Dataa GPU-based, columnar RDBMS for big data analytics workloadsTransactional SQL-on-Hadoop DBMS
Primary database modelTime Series DBMSSearch engineRelational DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score89.10
Rank#14  Overall
#2  Search engines
Score0.74
Rank#224  Overall
#103  Relational DBMS
Websiteopenmldb.aiwww.splunk.comsqream.comtrafodion.apache.org
Technical documentationopenmldb.ai/­docs/­zh/­maindocs.splunk.com/­Documentation/­Splunkdocs.sqream.comtrafodion.apache.org/­documentation.html
Developer4 Paradigm Inc.Splunk Inc.SQream TechnologiesApache Software Foundation, originally developed by HP
Initial release2020200320172014
Current release2024-2 February 20242022.1.6, December 20222.3.0, February 2019
License infoCommercial or Open SourceOpen Sourcecommercial infoLimited free edition and free developer edition availablecommercialOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, Java, ScalaC++, CUDA, Haskell, Java, ScalaC++, Java
Server operating systemsLinuxLinux
OS X
Solaris
Windows
LinuxLinux
Data schemeFixed schemayesyesyes
Typing infopredefined data types such as float or dateyesyesyes, ANSI Standard SQL Typesyes
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.noyesno
Secondary indexesyesyesnoyes
SQL infoSupport of SQLyesno infoSplunk Search Processing Language for search commandsyesyes
APIs and other access methodsJDBC
SQLAlchemy
HTTP REST.Net
JDBC
ODBC
ADO.NET
JDBC
ODBC
Supported programming languagesC++
Go
Java
Python
Scala
C#
Java
JavaScript
PHP
Python
Ruby
C++
Java
JavaScript (Node.js)
Python
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnoyesuser defined functions in PythonJava Stored Procedures
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardinghorizontal and vertical partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationMulti-source replicationnoneyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searchingACIDACID
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.yesnono
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and rolesfine grained access rights according to SQL-standard

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More resources
OpenMLDBSplunkSQream DBTrafodion
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