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DBMS > Immudb vs. OpenMLDB vs. Splunk vs. Trafodion

System Properties Comparison Immudb vs. OpenMLDB vs. Splunk vs. Trafodion

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Editorial information provided by DB-Engines
NameImmudb  Xexclude from comparisonOpenMLDB  Xexclude from comparisonSplunk  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 immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.An open-source machine learning database that provides a feature platform for training and inferenceAnalytics Platform for Big DataTransactional SQL-on-Hadoop DBMS
Primary database modelKey-value storeTime Series DBMSSearch engineRelational DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#295  Overall
#42  Key-value stores
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score89.10
Rank#14  Overall
#2  Search engines
Websitegithub.com/­codenotary/­immudb
immudb.io
openmldb.aiwww.splunk.comtrafodion.apache.org
Technical documentationdocs.immudb.ioopenmldb.ai/­docs/­zh/­maindocs.splunk.com/­Documentation/­Splunktrafodion.apache.org/­documentation.html
DeveloperCodenotary4 Paradigm Inc.Splunk Inc.Apache Software Foundation, originally developed by HP
Initial release2020202020032014
Current release1.2.3, April 20222024-2 February 20242.3.0, February 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Sourcecommercial infoLimited free edition and free developer edition availableOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++, Java, ScalaC++, Java
Server operating systemsBSD
Linux
macOS
Solaris
Windows
z/OS
LinuxLinux
OS X
Solaris
Windows
Linux
Data schemeschema-freeFixed schemayesyes
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.nonoyesno
Secondary indexesyesyesyesyes
SQL infoSupport of SQLSQL-like syntaxyesno infoSplunk Search Processing Language for search commandsyes
APIs and other access methodsgRPC protocol
PostgreSQL wire protocol
JDBC
SQLAlchemy
HTTP RESTADO.NET
JDBC
ODBC
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
C++
Go
Java
Python
Scala
C#
Java
JavaScript
PHP
Python
Ruby
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnonoyesJava Stored Procedures
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationMulti-source replicationyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searchingACID
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.noyesnono
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
ImmudbOpenMLDBSplunkTrafodion
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