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DBMS > Amazon CloudSearch vs. Firebase Realtime Database vs. LokiJS

System Properties Comparison Amazon CloudSearch vs. Firebase Realtime Database vs. LokiJS

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.In-memory JavaScript DBMS
Primary database modelSearch engineDocument storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.17
Rank#85  Overall
#9  Search engines
Score11.60
Rank#40  Overall
#7  Document stores
Score0.32
Rank#233  Overall
#33  Document stores
Websiteaws.amazon.com/­cloudsearchfirebase.google.com/­products/­realtime-databaselokijs.org
Technical documentationdocs.aws.amazon.com/­cloudsearchfirebase.google.com/­docs/­databaselokijs.org/­#/­docs
DeveloperAmazonGoogle infoacquired by Google 2014
Initial release201220122014
License infoCommercial or Open SourcecommercialcommercialOpen Source
Cloud-based only infoOnly available as a cloud serviceyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScript
Server operating systemshostedhostedserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesno
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 infoall search fields are automatically indexedyesyes infovia views
SQL infoSupport of SQLnonono
APIs and other access methodsHTTP APIAndroid
iOS
JavaScript API
RESTful HTTP API
JavaScript API
Supported programming languagesJava
JavaScript
Objective-C
JavaScript
Server-side scripts infoStored proceduresnolimited functionality with using 'rules'View functions in JavaScript
TriggersnoCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requirednone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
none
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlauthentication via encrypted signaturesyes, based on authentication and database rulesno

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More resources
Amazon CloudSearchFirebase Realtime DatabaseLokiJS
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