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DBMS > 4D vs. EXASOL vs. Firebase Realtime Database vs. SiteWhere vs. SQL.JS

System Properties Comparison 4D vs. EXASOL vs. Firebase Realtime Database vs. SiteWhere vs. SQL.JS

Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonEXASOL  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonSiteWhere  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.M2M integration platform for persisting/querying time series dataPort of SQLite to JavaScript
Primary database modelRelational DBMSRelational DBMSDocument storeTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.58
Rank#108  Overall
#54  Relational DBMS
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score14.29
Rank#39  Overall
#6  Document stores
Score0.06
Rank#356  Overall
#35  Time Series DBMS
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websitewww.4d.comwww.exasol.comfirebase.google.com/­products/­realtime-databasegithub.com/­sitewhere/­sitewheresql.js.org
Technical documentationdeveloper.4d.comwww.exasol.com/­resourcesfirebase.google.com/­docs/­databasesitewhere1.sitewhere.io/­index.htmlsql.js.org/­documentation/­index.html
Developer4D, IncExasolGoogle infoacquired by Google 2014SiteWhereAlon Zakai infoenhancements implemented by others
Initial release19842000201220102012
Current releasev20, April 2023
License infoCommercial or Open SourcecommercialcommercialcommercialOpen Source infoCommon Public Attribution License Version 1.0Open Source
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScript
Server operating systemsOS X
Windows
hostedLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesyesschema-freepredefined schemeyes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.yesnononono
Secondary indexesyesyesyesno
SQL infoSupport of SQLyes infoclose to SQL 92yesnonoyes infoSQL-92 is not fully supported
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
.Net
JDBC
ODBC
WebSocket
Android
iOS
JavaScript API
RESTful HTTP API
HTTP RESTJavaScript API
Supported programming languages4D proprietary IDE
PHP
Java
Lua
Python
R
Java
JavaScript
Objective-C
JavaScript
Server-side scripts infoStored proceduresyesuser defined functionslimited functionality with using 'rules'no
TriggersyesyesCallbacks are triggered when data changesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infobased on HBasenone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationselectable replication factor infobased on HBasenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoHadoop integrationnonono
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
Immediate Consistencynone
Foreign keys infoReferential integrityyesyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDyesnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnoyes
User concepts infoAccess controlUsers and groupsAccess rights for users, groups and roles according to SQL-standardyes, based on authentication and database rulesUsers with fine-grained authorization conceptno

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More resources
4D infoformer name: 4th DimensionEXASOLFirebase Realtime DatabaseSiteWhereSQL.JS
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