DBMS > DolphinDB vs. InterSystems IRIS vs. OrientDB

System Properties Comparison DolphinDB vs. InterSystems IRIS vs. OrientDB

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Editorial information provided by DB-Engines
Name	DolphinDB  Xexclude from comparison	InterSystems IRIS  Xexclude from comparison	OrientDB  Xexclude from comparison
Description	DolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.	A containerised multi-model DBMS, interoperability and analytics data platform with wide capabilities for vertical and horizontal scalability	Multi-model DBMS (Document, Graph, Key/Value)
Primary database model	Time Series DBMS	Document store Key-value store Object oriented DBMS Relational DBMS	Document store Graph DBMS Key-value store
Secondary database models	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.65 Rank #139   Overall #9   Time Series DBMS	Score 2.17 Rank #120   Overall #22   Document stores #23   Key-value stores #2   Object oriented DBMS #59   Relational DBMS	Score 4.86 Rank #80   Overall #14   Document stores #5   Graph DBMS #12   Key-value stores
Website	www.dolphindb.com	www.intersystems.com/­products/­intersystems-iris	orientdb.org
Technical documentation	www.dolphindb.com/­help	docs.intersystems.com/­irislatest/­csp/­docbook/­DocBook.UI.Page.cls	www.orientdb.com/­docs/­last/­index.html
Developer	DolphinDB, Inc	InterSystems	OrientDB LTD; CallidusCloud; SAP
Initial release	2018	2018	2010
Current release	v2.00.4, January 2022	2021.1, June 2021	3.1.9, February 2021
License Commercial or Open Source	commercial free community version available	commercial	Open Source Apache version 2
Cloud-based only Only available as a cloud service	no	no	no
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Implementation language	C++		Java
Server operating systems	Linux Windows	AIX Linux macOS Windows	All OS with a Java JDK (>= JDK 6)
Data scheme	yes	depending on used data model	schema-free Schema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")
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.	no	yes	no
Secondary indexes	yes	yes	yes
SQL Support of SQL	SQL-like query language	yes	SQL-like query language, no joins
APIs and other access methods	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	JDBC ODBC RESTful HTTP API	Tinkerpop technology stack with Blueprints, Gremlin, Pipes Java API RESTful HTTP/JSON API
Supported programming languages	C# C++ Go Java JavaScript MatLab Python R Rust	.Net C++ Java JavaScript (Node.js) Python	.Net C C# C++ Clojure Java JavaScript JavaScript (Node.js) PHP Python Ruby Scala
Server-side scripts Stored procedures	yes	yes	Java, Javascript
Triggers	no	yes	Hooks
Partitioning methods Methods for storing different data on different nodes	horizontal partitioning	Sharding	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes	Source-replica replication	Multi-source replication
MapReduce Offers an API for user-defined Map/Reduce methods	yes	no	no could be achieved with distributed queries
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	yes	yes relationship in graphs
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes	ACID	ACID
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.	yes	yes
User concepts Access control	Administrators, Users, Groups	yes	Access rights for users and roles; record level security configurable
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	DolphinDB	InterSystems IRIS	OrientDB
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