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DBMS > Alibaba Cloud HybridDB vs. Amazon DocumentDB vs. Firebase Realtime Database

System Properties Comparison Alibaba Cloud HybridDB vs. Amazon DocumentDB vs. Firebase Realtime Database

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Editorial information provided by DB-Engines
NameAlibaba Cloud HybridDB  Xexclude from comparisonAmazon DocumentDB  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparison
DescriptionHybridDB is an online MPP (Massively Parallel Processing) data warehousing service based on GreenplumFast, 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.
Primary database modelRelational DBMSDocument storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.26
Rank#241  Overall
#114  Relational DBMS
Score0.41
Rank#213  Overall
#30  Document stores
Score11.25
Rank#40  Overall
#7  Document stores
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlaws.amazon.com/­documentdbfirebase.google.com/­products/­realtime-database
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­35387.htmaws.amazon.com/­documentdb/­resourcesfirebase.google.com/­docs/­database
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupGoogle infoacquired by Google 2014
Initial release201620192012
License infoCommercial or Open Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesyesyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Server operating systemshostedhostedhosted
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyes
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.yesnono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesnono
APIs and other access methodsJDBC
ODBC
proprietary protocol using JSON (MongoDB compatible)Android
iOS
JavaScript API
RESTful HTTP API
Supported programming languagesC
Java
Perl
Python
R
Go
Java
JavaScript (Node.js)
PHP
Python
Java
JavaScript
Objective-C
Server-side scripts infoStored proceduresyesnolimited functionality with using 'rules'
TriggersyesnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceMulti-availability zones for high availability, asynchronous replication for up to 15 read replicas
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)no
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Foreign keys infoReferential integrityyesno infotypically not used, however similar functionality with DBRef possibleno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic single-document operationsyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and rolesyes, based on authentication and database rules

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More resources
Alibaba Cloud HybridDBAmazon DocumentDBFirebase Realtime Database
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