DBMS > 4D vs. PostGIS vs. TempoIQ
System Properties Comparison 4D vs. PostGIS vs. TempoIQ
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|Editorial information provided by DB-Engines|
|Name||4D former name: 4th Dimension Xexclude from comparison||PostGIS Xexclude from comparison||TempoIQ formerly TempoDB Xexclude from comparison|
|TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.|
|Description||Application development environment with integrated database management system||Spatial extension of PostgreSQL||Scalable analytics DBMS for sensor data, provided as a service (SaaS)|
|Primary database model||Relational DBMS||Spatial DBMS||Time Series DBMS|
|Secondary database models||Relational DBMS|
|Current release||v18 R5, January 2021||3.3.4, July 2023|
|License Commercial or Open Source||commercial||Open Source GPL v2.0||commercial|
|Cloud-based only Only available as a cloud service||no||no||yes|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||OS X|
|Typing predefined data types such as float or date||yes||yes||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||yes||yes||no|
|SQL Support of SQL||yes close to SQL 92||yes||no|
|APIs and other access methods||ODBC|
RESTful HTTP API by using 4D Mobile
|Supported programming languages||4D proprietary IDE|
|Server-side scripts Stored procedures||yes||user defined functions||no|
|Triggers||yes||yes||yes Realtime Alerts|
|Partitioning methods Methods for storing different data on different nodes||none||yes based on PostgreSQL|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication||yes based on PostgreSQL|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||no||no|
|User concepts Access control||Users and groups||yes based on PostgreSQL||simple authentication-based access control|
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|4D former name: 4th Dimension||PostGIS||TempoIQ formerly TempoDB|
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