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DBMS > 4D vs. SpaceTime

System Properties Comparison 4D vs. SpaceTime

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemSpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelRelational DBMSSpatial DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.79
Rank#108  Overall
#56  Relational DBMS
Score0.00
Rank#356  Overall
#5  Spatial DBMS
Websitewww.4d.comwww.mireo.hr/­spacetime
Technical documentationlivedoc.4d.com
Developer4D, IncMireo
Initial release19842020
Current releasev18 R5, January 2021
License infoCommercial or Open Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++
Server operating systemsOS X
Windows
Linux
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes
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.yesno
Secondary indexesyesno
SQL infoSupport of SQLyes infoclose to SQL 92A subset of ANSI SQL is implemented
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
RESTful HTTP API
Supported programming languages4D proprietary IDE
PHP
C#
C++
Python
Server-side scripts infoStored proceduresyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesnoneFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
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 groupsyes

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More resources
4D infoformer name: 4th DimensionSpaceTime
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Accounting Specialist
4th Dimension Development, Ferndale, MI

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