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DBMS > EJDB vs. Immudb vs. Splunk vs. TempoIQ

System Properties Comparison EJDB vs. Immudb vs. Splunk vs. TempoIQ

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonImmudb  Xexclude from comparisonSplunk  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)An open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.Analytics Platform for Big DataScalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelDocument storeKey-value storeSearch engineTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#297  Overall
#44  Document stores
Score0.24
Rank#305  Overall
#43  Key-value stores
Score86.45
Rank#14  Overall
#2  Search engines
Websitegithub.com/­Softmotions/­ejdbgithub.com/­codenotary/­immudb
immudb.io
www.splunk.comtempoiq.com (offline)
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mddocs.immudb.iodocs.splunk.com/­Documentation/­Splunk
DeveloperSoftmotionsCodenotarySplunk Inc.TempoIQ
Initial release2012202020032012
Current release1.2.3, April 2022
License infoCommercial or Open SourceOpen Source infoGPLv2Open Source infoApache Version 2.0commercial infoLimited free edition and free developer edition availablecommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCGo
Server operating systemsserver-lessBSD
Linux
macOS
Solaris
Windows
z/OS
Linux
OS X
Solaris
Windows
Data schemeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesyes
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.noyesno
Secondary indexesnoyesyes
SQL infoSupport of SQLnoSQL-like syntaxno infoSplunk Search Processing Language for search commandsno
APIs and other access methodsin-process shared librarygRPC protocol
PostgreSQL wire protocol
HTTP RESTHTTP API
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
.Net
Go
Java
JavaScript (Node.js)
Python
C#
Java
JavaScript
PHP
Python
Ruby
C#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresnonoyesno
Triggersnonoyesyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possiblenonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searchingno
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write 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.nonono
User concepts infoAccess controlnoAccess rights for users and rolessimple authentication-based access control

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More resources
EJDBImmudbSplunkTempoIQ infoformerly TempoDB
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21 June 2023, TechCrunch

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17 December 2021, Help Net Security

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20 December 2021, ZDNet

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