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DBMS > 4D vs. Alibaba Cloud HybridDB vs. Firebase Realtime Database

System Properties Comparison 4D vs. Alibaba Cloud HybridDB vs. Firebase Realtime Database

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonAlibaba Cloud HybridDB  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemHybridDB is an online MPP (Massively Parallel Processing) data warehousing service based on GreenplumCloud-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 DBMSRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.64
Rank#90  Overall
#46  Relational DBMS
Score0.26
Rank#241  Overall
#114  Relational DBMS
Score11.25
Rank#40  Overall
#7  Document stores
Websitewww.4d.comwww.alibabacloud.com/­product/­hybriddb-postgresqlfirebase.google.com/­products/­realtime-database
Technical documentationdoc.4d.comwww.alibabacloud.com/­help/­doc-detail/­35387.htmfirebase.google.com/­docs/­database
Developer4D, IncAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupGoogle infoacquired by Google 2014
Initial release198420162012
Current releasev17.0, July 2018
License infoCommercial or Open Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Server operating systemsOS X
Windows
hostedhosted
Data schemeyesyesschema-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.yesyesno
Secondary indexesyesyesyes
SQL infoSupport of SQLyes infoclose to SQL 92yesno
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JDBC
ODBC
Android
iOS
JavaScript API
RESTful HTTP API
Supported programming languages4D proprietary IDE
PHP
C
Java
Perl
Python
R
Java
JavaScript
Objective-C
Server-side scripts infoStored proceduresyesyeslimited functionality with using 'rules'
TriggersyesyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoImplicit feature of the cloud service
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replicationyes infoImplicit feature of the cloud service
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
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 integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDyes
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.nono
User concepts infoAccess controlUsers and groupsfine grained access rights according to SQL-standardyes, based on authentication and database rules

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More resources
4D infoformer name: 4th DimensionAlibaba Cloud HybridDBFirebase Realtime Database
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