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DBMS > atoti vs. Heroic vs. LokiJS vs. Oracle Rdb

System Properties Comparison atoti vs. Heroic vs. LokiJS vs. Oracle Rdb

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Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonHeroic  Xexclude from comparisonLokiJS  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.Time Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchIn-memory JavaScript DBMS
Primary database modelObject oriented DBMSTime Series DBMSDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.59
Rank#242  Overall
#10  Object oriented DBMS
Score0.57
Rank#250  Overall
#21  Time Series DBMS
Score0.48
Rank#262  Overall
#42  Document stores
Score1.08
Rank#187  Overall
#85  Relational DBMS
Websiteatoti.iogithub.com/­spotify/­heroicgithub.com/­techfort/­LokiJSwww.oracle.com/­database/­technologies/­related/­rdb.html
Technical documentationdocs.atoti.iospotify.github.io/­heroictechfort.github.io/­LokiJSwww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperActiveViamSpotifyOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release201420141984
Current release7.4.1.1, 2021
License infoCommercial or Open Sourcecommercial infofree versions availableOpen Source infoApache 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)HP Open VMS
Data schemeschema-freeschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesnoyes
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.nonono
Secondary indexesyes infovia Elasticsearchyes infovia viewsyes
SQL infoSupport of SQLMultidimensional Expressions (MDX)nonoyes
APIs and other access methodsHQL (Heroic Query Language, a JSON-based language)
HTTP API
JavaScript API
Supported programming languagesJavaScript
Server-side scripts infoStored proceduresPythonnoView functions in JavaScript
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
noneImmediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesno
User concepts infoAccess controlno

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atotiHeroicLokiJSOracle Rdb
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