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DBMS > 4D vs. SpaceTime vs. Transwarp KunDB

System Properties Comparison 4D vs. SpaceTime vs. Transwarp KunDB

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonSpaceTime  Xexclude from comparisonTranswarp KunDB  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemSpaceTime is a spatio-temporal DBMS with a focus on performance.OLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database modelRelational DBMSSpatial DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.80
Rank#111  Overall
#55  Relational DBMS
Score0.00
Rank#394  Overall
#8  Spatial DBMS
Score0.10
Rank#356  Overall
#152  Relational DBMS
Websitewww.4d.comwww.mireo.com/­spacetimewww.transwarp.cn/­en/­product/­kundb
Technical documentationdeveloper.4d.com
Developer4D, IncMireoTranswarp
Initial release19842020
Current releasev20, April 2023
License infoCommercial or Open Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++
Server operating systemsOS X
Windows
Linux
Data schemeyesyesyes
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.yesno
Secondary indexesyesnoyes
SQL infoSupport of SQLyes infoclose to SQL 92A subset of ANSI SQL is implementedyes
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 proceduresyesnoyes
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneFixed-grid hypercubeshorizontal partitioning
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 methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
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 groupsyesyes

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More resources
4D infoformer name: 4th DimensionSpaceTimeTranswarp KunDB
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