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DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Cloudflare Workers KV vs. Firebase Realtime Database vs. FoundationDB vs. IBM Cloudant

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Cloudflare Workers KV vs. Firebase Realtime Database vs. FoundationDB vs. IBM Cloudant

Editorial information provided by DB-Engines
NameAlibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDB  Xexclude from comparisonCloudflare Workers KV  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonFoundationDB  Xexclude from comparisonIBM Cloudant  Xexclude from comparison
Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionAn online MPP (Massively Parallel Processing) data warehousing service based on GreenplumA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Ordered key-value store. Core features are complimented by layers.Database as a Service offering based on Apache CouchDB
Primary database modelRelational DBMSKey-value storeDocument storeDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.79
Rank#213  Overall
#101  Relational DBMS
Score0.29
Rank#283  Overall
#40  Key-value stores
Score13.60
Rank#39  Overall
#6  Document stores
Score0.97
Rank#191  Overall
#32  Document stores
#28  Key-value stores
#87  Relational DBMS
Score2.85
Rank#95  Overall
#18  Document stores
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlwww.cloudflare.com/­developer-platform/­workers-kvfirebase.google.com/­products/­realtime-databasegithub.com/­apple/­foundationdbwww.ibm.com/­products/­cloudant
Technical documentationwww.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overviewdevelopers.cloudflare.com/­kv/­apifirebase.google.com/­docs/­databaseapple.github.io/­foundationdbcloud.ibm.com/­docs/­Cloudant
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupCloudflareGoogle infoacquired by Google 2014FoundationDBIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014
Initial release20162018201220132010
Current release6.2.28, November 2020
License infoCommercial or Open SourcecommercialcommercialcommercialOpen Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud serviceyesyesyesnoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++Erlang
Server operating systemshostedhostedhostedLinux
OS X
Windows
hosted
Data schemeyesschema-freeschema-freeschema-free infosome layers support schemasschema-free
Typing infopredefined data types such as float or dateyesnoyesno infosome layers support typingno
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.yesnonono
Secondary indexesyesnoyesnoyes
SQL infoSupport of SQLyesnonosupported in specific SQL layer onlyno
APIs and other access methodsJDBC
ODBC
HTTP REST
Proprietary protocol
Android
iOS
JavaScript API
RESTful HTTP API
RESTful HTTP/JSON API
Supported programming languagesC
Java
Perl
Python
R
C
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
Java
JavaScript
Objective-C
.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
C#
Java
JavaScript
Objective-C
PHP
Ruby
Server-side scripts infoStored proceduresyesnolimited functionality with using 'rules'in SQL-layer onlyView functions (Map-Reduce) in JavaScript
TriggersyesnoCallbacks are triggered when data changesnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceyesyesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Linearizable consistencyEventual Consistency
Foreign keys infoReferential integrityyesnonoin SQL-layer onlyno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoyesACIDno infoatomic operations within a document possible
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes infoOptimistic locking
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonono
User concepts infoAccess controlfine grained access rights according to SQL-standardyes, based on authentication and database rulesnoAccess rights for users can be defined per database

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More resources
Alibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDBCloudflare Workers KVFirebase Realtime DatabaseFoundationDBIBM Cloudant
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