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DBMS > OpenMLDB vs. Splunk vs. Trafodion vs. YDB

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

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Editorial information provided by DB-Engines
NameOpenMLDB  Xexclude from comparisonSplunk  Xexclude from comparisonTrafodion  Xexclude from comparisonYDB  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 DataTransactional SQL-on-Hadoop DBMSA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelTime Series DBMSSearch engineRelational DBMSDocument store
Relational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Score93.02
Rank#13  Overall
#2  Search engines
Score0.39
Rank#269  Overall
#43  Document stores
#126  Relational DBMS
Websiteopenmldb.aiwww.splunk.comtrafodion.apache.orggithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationopenmldb.ai/­docs/­zh/­maindocs.splunk.com/­Documentation/­Splunktrafodion.apache.org/­documentation.htmlydb.tech/­en/­docs
Developer4 Paradigm Inc.Splunk Inc.Apache Software Foundation, originally developed by HPYandex
Initial release2020200320142019
Current release2024-2 February 20242.3.0, February 2019
License infoCommercial or Open SourceOpen Sourcecommercial infoLimited free edition and free developer edition availableOpen Source infoApache 2.0Open Source infoApache 2.0; commercial license available
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++, Java
Server operating systemsLinuxLinux
OS X
Solaris
Windows
LinuxLinux
Data schemeFixed schemayesyesFlexible Schema (defined schema, partial schema, schema free)
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.noyesnono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesno infoSplunk Search Processing Language for search commandsyesSQL-like query language (YQL)
APIs and other access methodsJDBC
SQLAlchemy
HTTP RESTADO.NET
JDBC
ODBC
RESTful HTTP API (DynamoDB compatible)
Supported programming languagesC++
Go
Java
Python
Scala
C#
Java
JavaScript
PHP
Python
Ruby
All languages supporting JDBC/ODBC/ADO.NetGo
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresnoyesJava Stored Proceduresno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationMulti-source replicationyes, via HBaseActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infovia user defined functions and HBaseno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno
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.yesnonono
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and rolesfine grained access rights according to SQL-standardAccess rights defined for Yandex Cloud users

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More resources
OpenMLDBSplunkTrafodionYDB
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