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DBMS > EventStoreDB vs. LokiJS vs. Oracle Coherence

System Properties Comparison EventStoreDB vs. LokiJS vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonLokiJS  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.In-memory JavaScript DBMSOracles in-memory data grid solution
Primary database modelEvent StoreDocument storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.14
Rank#181  Overall
#1  Event Stores
Score0.48
Rank#262  Overall
#42  Document stores
Score2.02
Rank#131  Overall
#22  Key-value stores
Websitewww.eventstore.comgithub.com/­techfort/­LokiJSwww.oracle.com/­java/­coherence
Technical documentationdevelopers.eventstore.comtechfort.github.io/­LokiJSdocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperEvent Store LimitedOracle
Initial release201220142007
Current release21.2, February 202114.1, August 2023
License infoCommercial or Open SourceOpen SourceOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJava
Server operating systemsLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VM
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or datenoyes
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
Secondary indexesyes infovia viewsno
SQL infoSupport of SQLnono
APIs and other access methodsJavaScript APIJCache
JPA
RESTful HTTP API
Supported programming languagesJavaScript.Net
C++
Java
Server-side scripts infoStored proceduresView functions in JavaScriptno
Triggersyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possibleconfigurable
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlnoauthentification to access the cache via certificates or http basic authentication

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More resources
EventStoreDBLokiJSOracle Coherence
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