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DBMS > AlaSQL vs. Amazon DocumentDB vs. Firebase Realtime Database vs. IBM Cloudant vs. SiteWhere

System Properties Comparison AlaSQL vs. Amazon DocumentDB vs. Firebase Realtime Database vs. IBM Cloudant vs. SiteWhere

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonAmazon DocumentDB  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionJavaScript DBMS libraryFast, scalable, highly available, and fully managed MongoDB-compatible database serviceCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Database as a Service offering based on Apache CouchDBM2M integration platform for persisting/querying time series data
Primary database modelDocument store
Relational DBMS
Document storeDocument storeDocument storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score1.91
Rank#132  Overall
#24  Document stores
Score14.29
Rank#39  Overall
#6  Document stores
Score2.68
Rank#106  Overall
#20  Document stores
Score0.06
Rank#356  Overall
#35  Time Series DBMS
Websitealasql.orgaws.amazon.com/­documentdbfirebase.google.com/­products/­realtime-databasewww.ibm.com/­products/­cloudantgithub.com/­sitewhere/­sitewhere
Technical documentationgithub.com/­AlaSQL/­alasqlaws.amazon.com/­documentdb/­resourcesfirebase.google.com/­docs/­databasecloud.ibm.com/­docs/­Cloudantsitewhere1.sitewhere.io/­index.html
DeveloperAndrey Gershun & Mathias R. WulffGoogle infoacquired by Google 2014IBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014SiteWhere
Initial release20142019201220102010
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialcommercialcommercialOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenoyesyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptErlangJava
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedhostedhostedLinux
OS X
Windows
Data schemeschema-freeschema-freeschema-freeschema-freepredefined scheme
Typing infopredefined data types such as float or datenoyesyesnoyes
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.nonononono
Secondary indexesnoyesyesyesno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nononono
APIs and other access methodsJavaScript APIproprietary protocol using JSON (MongoDB compatible)Android
iOS
JavaScript API
RESTful HTTP API
RESTful HTTP/JSON APIHTTP REST
Supported programming languagesJavaScriptGo
Java
JavaScript (Node.js)
PHP
Python
Java
JavaScript
Objective-C
C#
Java
JavaScript
Objective-C
PHP
Ruby
Server-side scripts infoStored proceduresnonolimited functionality with using 'rules'View functions (Map-Reduce) in JavaScript
TriggersyesnoCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-availability zones for high availability, asynchronous replication for up to 15 read replicasMulti-source replication
Source-replica replication
selectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)noyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Eventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno infotypically not used, however similar functionality with DBRef possiblenonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageAtomic single-document operationsyesno infoatomic operations within a document possibleno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoOptimistic lockingyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlnoAccess rights for users and rolesyes, based on authentication and database rulesAccess rights for users can be defined per databaseUsers with fine-grained authorization concept

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More resources
AlaSQLAmazon DocumentDBFirebase Realtime DatabaseIBM CloudantSiteWhere
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