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DBMS > 4D vs. AlaSQL vs. MaxDB vs. SpaceTime

System Properties Comparison 4D vs. AlaSQL vs. MaxDB vs. SpaceTime

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonAlaSQL  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemJavaScript DBMS libraryA robust and reliable RDBMS optimized to run all major SAP solutionsSpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelRelational DBMSDocument store
Relational DBMS
Relational DBMSSpatial DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.58
Rank#108  Overall
#54  Relational DBMS
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score2.32
Rank#112  Overall
#55  Relational DBMS
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Websitewww.4d.comalasql.orgmaxdb.sap.comwww.mireo.com/­spacetime
Technical documentationdeveloper.4d.comgithub.com/­AlaSQL/­alasqlmaxdb.sap.com/­documentation
Developer4D, IncAndrey Gershun & Mathias R. WulffSAP, acquired from Software AG (Adabas-D) in 1997Mireo
Initial release1984201419842020
Current releasev20, April 20237.9.10.12, February 2024
License infoCommercial or Open SourcecommercialOpen Source infoMIT-Licensecommercial infoLimited community edition freecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC++C++
Server operating systemsOS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)AIX
HP-UX
Linux
Solaris
Windows
Linux
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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 indexesyesnoyesno
SQL infoSupport of SQLyes infoclose to SQL 92Close to SQL99, but no user access control, stored procedures and host language bindings.yesA subset of ANSI SQL is implemented
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JavaScript APIADO.NET
JDBC
ODBC
WebDAV
RESTful HTTP API
Supported programming languages4D proprietary IDE
PHP
JavaScript.Net
C#
Java
Perl
PHP
Python
C#
C++
Python
Server-side scripts infoStored proceduresyesnoyesno
Triggersyesyesyesno
Partitioning methods infoMethods for storing different data on different nodesnonenonenoneFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnoneSource-replica replicationReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes infoonly for local storage and DOM-storageACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnono
User concepts infoAccess controlUsers and groupsnofine grained access rights according to SQL-standardyes

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More resources
4D infoformer name: 4th DimensionAlaSQLMaxDB infoformerly named Adabas-DSpaceTime
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