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DBMS > 4D vs. JaguarDB vs. PouchDB vs. SpaceTime

System Properties Comparison 4D vs. JaguarDB vs. PouchDB vs. SpaceTime

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonJaguarDB  Xexclude from comparisonPouchDB  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemPerformant, highly scalable DBMS for AI and IoT applicationsJavaScript DBMS with an API inspired by CouchDBSpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelRelational DBMSKey-value store
Vector DBMS
Document storeSpatial DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.68
Rank#110  Overall
#54  Relational DBMS
Score0.09
Rank#356  Overall
#53  Key-value stores
#13  Vector DBMS
Score2.35
Rank#116  Overall
#22  Document stores
Score0.00
Rank#396  Overall
#8  Spatial DBMS
Websitewww.4d.comwww.jaguardb.compouchdb.comwww.mireo.com/­spacetime
Technical documentationdeveloper.4d.comwww.jaguardb.com/­support.htmlpouchdb.com/­guides
Developer4D, IncDataJaguar, Inc.Apache Software FoundationMireo
Initial release1984201520122020
Current releasev20, April 20233.3 July 20237.1.1, June 2019
License infoCommercial or Open SourcecommercialOpen Source infoGPL V3.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++ infothe server part. Clients available in other languagesJavaScriptC++
Server operating systemsOS X
Windows
Linuxserver-less, requires a JavaScript environment (browser, Node.js)Linux
Data schemeyesyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesnoyes
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 indexesyesyesyes infovia viewsno
SQL infoSupport of SQLyes infoclose to SQL 92A subset of ANSI SQL is implemented infobut no views, foreign keys, triggersnoA subset of ANSI SQL is implemented
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JDBC
ODBC
HTTP REST infoonly for PouchDB Server
JavaScript API
RESTful HTTP API
Supported programming languages4D proprietary IDE
PHP
C
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Scala
JavaScriptC#
C++
Python
Server-side scripts infoStored proceduresyesnoView functions in JavaScriptno
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infowith a proxy-based framework, named couchdb-loungeFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationMulti-source replicationMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
Real-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonono
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using IndexedDB, WebSQL or LevelDB as backendyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesno
User concepts infoAccess controlUsers and groupsrights management via user accountsnoyes

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More resources
4D infoformer name: 4th DimensionJaguarDBPouchDBSpaceTime
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