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DBMS > BoltDB vs. Firebase Realtime Database vs. Heroic vs. Realm

System Properties Comparison BoltDB vs. Firebase Realtime Database vs. Heroic vs. Realm

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Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonHeroic  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionAn embedded key-value store for Go.Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Time Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelKey-value storeDocument storeTime Series DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.76
Rank#224  Overall
#32  Key-value stores
Score15.00
Rank#39  Overall
#6  Document stores
Score0.57
Rank#250  Overall
#21  Time Series DBMS
Score7.71
Rank#52  Overall
#9  Document stores
Websitegithub.com/­boltdb/­boltfirebase.google.com/­products/­realtime-databasegithub.com/­spotify/­heroicrealm.io
Technical documentationfirebase.google.com/­docs/­databasespotify.github.io/­heroicrealm.io/­docs
DeveloperGoogle infoacquired by Google 2014SpotifyRealm, acquired by MongoDB in May 2019
Initial release2013201220142014
License infoCommercial or Open SourceOpen Source infoMIT LicensecommercialOpen Source infoApache 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJava
Server operating systemsBSD
Linux
OS X
Solaris
Windows
hostedAndroid
Backend: server-less
iOS
Windows
Data schemeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyesyesyes
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.nononono
Secondary indexesnoyesyes infovia Elasticsearchyes
SQL infoSupport of SQLnononono
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
HQL (Heroic Query Language, a JSON-based language)
HTTP API
Supported programming languagesGoJava
JavaScript
Objective-C
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresnolimited functionality with using 'rules'nono inforuns within the applications so server-side scripts are unnecessary
TriggersnoCallbacks are triggered when data changesnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Eventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesyesnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.nonoyes infoIn-Memory realm
User concepts infoAccess controlnoyes, based on authentication and database rulesyes

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More resources
BoltDBFirebase Realtime DatabaseHeroicRealm
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