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DBMS > 4D vs. Apache IoTDB vs. PostgreSQL

System Properties Comparison 4D vs. Apache IoTDB vs. PostgreSQL

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonApache IoTDB  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemA lightweight IoT native database management system deployable on the device and syncing the collected data with the cloud and integrated with Hadoop and SparkWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelRelational DBMSTime Series DBMSRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.92
Rank#106  Overall
#54  Relational DBMS
Score0.29
Rank#271  Overall
#20  Time Series DBMS
Score597.27
Rank#4  Overall
#4  Relational DBMS
Websitewww.4d.comiotdb.apache.orgwww.postgresql.org
Technical documentationlivedoc.4d.comwww.postgresql.org/­docs
Developer4D, IncApache Software FoundationPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release198420181989 info1989: Postgres, 1996: PostgreSQL
Current releasev18 R5, January 202114.1, November 2021
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC
Server operating systemsOS X
Windows
All OS with a Java VM (>= 1.8)FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
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.yesnoyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesyesyes
SQL infoSupport of SQLyes infoclose to SQL 92SQL-like query languageyes infostandard with numerous extensions
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JDBCADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages4D proprietary IDE
PHP
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyesnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnonepartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoIntegration with Hadoop and Sparkno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency with synchronizing with the cloudImmediate 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.noyesno
User concepts infoAccess controlUsers and groupsnofine grained access rights according to SQL-standard

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More resources
4D infoformer name: 4th DimensionApache IoTDBPostgreSQL
DB-Engines blog posts

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Conferences and events

Postgres Build 2021
Free Virtual Event, 30 November 2021 - 1 December 2021

Finished events

Latest Performance Features in PostgreSQL 14
On Demand Webinar, 14 October 2021 (finished)

PostgreSQL Performance Tuning Secrets
On Demand Webinar, 21 October 2021 (finished)

Recent citations in the news

The Apache Software Foundation Announces Apache® IoTDB™ as
23 September 2020, GlobeNewswire

The Apache® Software Foundation Welcomes its Global Community Online at ApacheCon(TM) Asia 2021
9 June 2021, GlobeNewswire

The Apache® Software Foundation Announces Program for
17 August 2021, GlobeNewswire

provided by Google News

Postgres Build 2021 Conference to Feature Leading PostgreSQL Experts
18 November 2021, Yahoo Finance

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3 November 2021, Datanami

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2 November 2021, InfoQ.com

EDB Announces General Availability of a PostgreSQL Database in the Cloud: BigAnimal
17 November 2021, InfoQ.com

YugabyteDB 2.11 meets developer demand for comprehensive PostgreSQL compatibility
24 November 2021, Help Net Security

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