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DBMS > IBM Cloudant vs. IBM Db2 warehouse vs. OpenMLDB vs. Splunk

System Properties Comparison IBM Cloudant vs. IBM Db2 warehouse vs. OpenMLDB vs. Splunk

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Editorial information provided by DB-Engines
NameIBM Cloudant  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonOpenMLDB  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBCloud-based data warehousing serviceAn open-source machine learning database that provides a feature platform for training and inferenceAnalytics Platform for Big Data
Primary database modelDocument storeRelational DBMSTime Series DBMSSearch engine
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.68
Rank#106  Overall
#20  Document stores
Score1.30
Rank#164  Overall
#75  Relational DBMS
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score86.45
Rank#14  Overall
#2  Search engines
Websitewww.ibm.com/­products/­cloudantwww.ibm.com/­products/­db2/­warehouseopenmldb.aiwww.splunk.com
Technical documentationcloud.ibm.com/­docs/­Cloudantopenmldb.ai/­docs/­zh/­maindocs.splunk.com/­Documentation/­Splunk
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014IBM4 Paradigm Inc.Splunk Inc.
Initial release2010201420202003
Current release2024-2 February 2024
License infoCommercial or Open SourcecommercialcommercialOpen Sourcecommercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC++, Java, Scala
Server operating systemshostedhostedLinuxLinux
OS X
Solaris
Windows
Data schemeschema-freeyesFixed schemayes
Typing infopredefined data types such as float or datenoyesyesyes
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.nono infoImport/export of XML data possiblenoyes
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnoyesyesno infoSplunk Search Processing Language for search commands
APIs and other access methodsRESTful HTTP/JSON API.NET Client API
JDBC
ODBC
OLE DB
JDBC
SQLAlchemy
HTTP REST
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
C++
Go
Java
Python
Scala
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptPL/SQL, SQL PLnoyes
Triggersyesyesnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yesSource-replica replicationMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a document possibleACIDnono infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyesyesyes
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.noyesyesno
User concepts infoAccess controlAccess rights for users can be defined per databasefine grained access rights according to SQL-standardfine grained access rights according to SQL-standardAccess rights for users and roles

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More resources
IBM CloudantIBM Db2 warehouse infoformerly named IBM dashDBOpenMLDBSplunk
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