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DBMS > ObjectBox vs. Splunk vs. VelocityDB vs. XTDB

System Properties Comparison ObjectBox vs. Splunk vs. VelocityDB vs. XTDB

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Editorial information provided by DB-Engines
NameObjectBox  Xexclude from comparisonSplunk  Xexclude from comparisonVelocityDB  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionExtremely fast embedded database for small devices, IoT and MobileAnalytics Platform for Big DataA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)A general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelObject oriented DBMSSearch engineGraph DBMS
Object oriented DBMS
Document store
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.20
Rank#170  Overall
#5  Object oriented DBMS
Score86.45
Rank#14  Overall
#2  Search engines
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Score0.11
Rank#343  Overall
#46  Document stores
Websiteobjectbox.iowww.splunk.comvelocitydb.comgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationdocs.objectbox.iodocs.splunk.com/­Documentation/­Splunkvelocitydb.com/­UserGuidewww.xtdb.com/­docs
DeveloperObjectBox LimitedSplunk Inc.VelocityDB IncJuxt Ltd.
Initial release2017200320112019
Current release7.x1.19, September 2021
License infoCommercial or Open SourceOpen Source infoApache License 2.0commercial infoLimited free edition and free developer edition availablecommercialOpen Source infoMIT License
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 languageC and C++C#Clojure
Server operating systemsAndroid
iOS
Linux
macOS
Windows
Linux
OS X
Solaris
Windows
Any that supports .NETAll OS with a Java 8 (and higher) VM
Linux
Data schemeyesyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyes, extensible-data-notation format
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 SQLnono infoSplunk Search Processing Language for search commandsnolimited SQL, making use of Apache Calcite
APIs and other access methodsProprietary native APIHTTP REST.NetHTTP REST
JDBC
Supported programming languagesC
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
C#
Java
JavaScript
PHP
Python
Ruby
.NetClojure
Java
Server-side scripts infoStored proceduresnoyesnono
TriggersnoyesCallbacks are triggered when data changesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesonline/offline synchronization between client and serverMulti-source replicationyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno 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, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlyesAccess rights for users and rolesBased on Windows Authentication
More information provided by the system vendor
ObjectBoxSplunkVelocityDBXTDB infoformerly named Crux
News

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More resources
ObjectBoxSplunkVelocityDBXTDB infoformerly named Crux
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