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DBMS > Alibaba Cloud TSDB vs. Apache IoTDB vs. Citus vs. Firebase Realtime Database

System Properties Comparison Alibaba Cloud TSDB vs. Apache IoTDB vs. Citus vs. Firebase Realtime Database

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Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonApache IoTDB  Xexclude from comparisonCitus  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceA lightweight IoT native database management system deployable on the device and syncing the collected data with the cloud and integrated with Hadoop and SparkScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQLCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.
Primary database modelTime Series DBMSTime Series DBMSRelational DBMSDocument store
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.49
Rank#231  Overall
#15  Time Series DBMS
Score0.12
Rank#294  Overall
#27  Time Series DBMS
Score1.41
Rank#146  Overall
#73  Relational DBMS
Score16.34
Rank#36  Overall
#6  Document stores
Websitewww.alibabacloud.com/­product/­hitsdbiotdb.apache.orgwww.citusdata.comfirebase.google.com/­products/­realtime-database
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­55652.htmdocs.citusdata.comfirebase.google.com/­docs/­database
DeveloperAlibabaApache Software FoundationGoogle infoacquired by Google 2014
Initial release201820102012
Current release8.1, December 2018
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0Open Source infoAGPL, commercial license also availablecommercial
Cloud-based only infoOnly available as a cloud serviceyesnonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC
Server operating systemshostedAll OS with a Java VM (>= 1.8)Linuxhosted
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateNumeric data and Stringsyesyesyes
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.nonoyes infospecific XML type available, but no XML query functionalityno
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnoSQL-like query languageyes infostandard, with numerous extensionsno
APIs and other access methodsHTTP RESTJDBCADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Android
iOS
JavaScript API
RESTful HTTP API
Supported programming languagesJava.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Java
JavaScript
Objective-C
Server-side scripts infoStored proceduresnonouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.limited functionality with using 'rules'
TriggersnonoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoIntegration with Hadoop and Sparknono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency with synchronizing with the cloudImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDyes
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.noyesno
User concepts infoAccess controlAccess managed on TSDB instance levelnofine grained access rights according to SQL-standardyes, based on authentication and database rules

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More resources
Alibaba Cloud TSDBApache IoTDBCitusFirebase Realtime Database
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