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DBMS > Microsoft Azure Cosmos DB vs. Oracle Coherence vs. Riak KV vs. searchxml vs. Splunk

System Properties Comparison Microsoft Azure Cosmos DB vs. Oracle Coherence vs. Riak KV vs. searchxml vs. Splunk

Editorial information provided by DB-Engines
NameMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRiak KV  Xexclude from comparisonsearchxml  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionGlobally distributed, horizontally scalable, multi-model database serviceOracles in-memory data grid solutionDistributed, fault tolerant key-value storeDBMS for structured and unstructured content wrapped with an application serverAnalytics Platform for Big Data
Primary database modelDocument store
Graph DBMS
Key-value store
Wide column store
Key-value storeKey-value store infowith links between data sets and object tags for the creation of secondary indexesNative XML DBMS
Search engine
Search engine
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score27.71
Rank#27  Overall
#4  Document stores
#2  Graph DBMS
#3  Key-value stores
#3  Wide column stores
Score1.97
Rank#129  Overall
#22  Key-value stores
Score4.01
Rank#79  Overall
#9  Key-value stores
Score0.03
Rank#390  Overall
#7  Native XML DBMS
#24  Search engines
Score89.10
Rank#14  Overall
#2  Search engines
Websiteazure.microsoft.com/­services/­cosmos-dbwww.oracle.com/­java/­coherencewww.searchxml.net/­category/­productswww.splunk.com
Technical documentationlearn.microsoft.com/­azure/­cosmos-dbdocs.oracle.com/­en/­middleware/­standalone/­coherencewww.tiot.jp/­riak-docs/­riak/­kv/­latestwww.searchxml.net/­support/­handoutsdocs.splunk.com/­Documentation/­Splunk
DeveloperMicrosoftOracleOpenSource, formerly Basho Technologiesinformationpartners gmbhSplunk Inc.
Initial release20142007200920152003
Current release14.1, August 20233.2.0, December 20221.0
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache version 2, commercial enterprise editioncommercialcommercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaErlangC++
Server operating systemshostedAll OS with a Java VMLinux
OS X
WindowsLinux
OS X
Solaris
Windows
Data schemeschema-freeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyes infoJSON typesyesnoyesyes
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.nonoyesyes
Secondary indexesyes infoAll properties auto-indexed by defaultnorestrictedyesyes
SQL infoSupport of SQLSQL-like query languagenononono infoSplunk Search Processing Language for search commands
APIs and other access methodsDocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
JCache
JPA
RESTful HTTP API
HTTP API
Native Erlang Interface
RESTful HTTP API
WebDAV
XQuery
XSLT
HTTP REST
Supported programming languages.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
.Net
C++
Java
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
C++ infomost other programming languages supported via APIsC#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresJavaScriptnoErlangyes infoon the application serveryes
TriggersJavaScriptyes infoLive Eventsyes infopre-commit hooks and post-commit hooksnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceShardingSharding infono "single point of failure"noneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceyes, with selectable consistency levelselectable replication factoryes infosychronisation to multiple collectionsMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*noyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemBounded Staleness
Consistent Prefix
Eventual Consistency
Immediate Consistency infoConsistency level configurable on request level
Session Consistency
Eventual Consistency
Immediate Consistency
Eventual ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonono infolinks between data sets can be storednono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataMulti-item ACID transactions with snapshot isolation within a partitionconfigurablenomultiple readers, single writerno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlAccess rights can be defined down to the item levelauthentification to access the cache via certificates or http basic authenticationyes, using Riak SecurityDomain, group and role-based access control at the document level and for application servicesAccess rights for users and roles

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More resources
Microsoft Azure Cosmos DB infoformer name was Azure DocumentDBOracle CoherenceRiak KVsearchxmlSplunk
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