DBMS > 4D vs. OpenMLDB vs. Transwarp KunDB

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

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Editorial information provided by DB-Engines

Name

Description

Application development environment with integrated database management system

An open-source machine learning database that provides a feature platform for training and inference

OLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle

Primary database model

Relational DBMS

Time Series DBMS

Relational DBMS

Secondary database models

Relational DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	1.87
Rank	#121	Overall
	#58	Relational DBMS

Score	0.08
Rank	#348	Overall
	#35	Time Series DBMS

Score	0.00
Rank	#394	Overall
	#158	Relational DBMS

Website

www.4d.com

openmldb.ai

www.transwarp.cn/en/product/kundb

Technical documentation

developer.4d.com

openmldb.ai/docs/zh/main

Developer

4D, Inc

4 Paradigm Inc.

Transwarp

Initial release

1984

2020

Current release

v20, April 2023

2024-2 February 2024

License

Commercial or Open Source

commercial

Open Source

commercial

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

C++, Java, Scala

Server operating systems

OS X
Windows

Linux

Data scheme

yes

Fixed schema

yes

Typing

predefined data types such as float or date

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

Secondary indexes

yes

SQL

Support of SQL

yes

close to SQL 92

yes

APIs and other access methods

ODBC
RESTful HTTP API

by using 4D Mobile
SOAP webservices

JDBC
SQLAlchemy

Supported programming languages

4D proprietary IDE
PHP

C++
Go
Java
Python
Scala

Server-side scripts

Stored procedures

yes

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

none

horizontal partitioning

Replication methods

Methods for redundantly storing data on multiple nodes

Multi-source replication

Source-replica replication

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

yes

User concepts

Access control

Users and groups

fine grained access rights according to SQL-standard

yes

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More resources

DB-Engines blog posts

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

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