DB-EnginesCrateDB bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > EXASOL vs. OpenQM vs. RavenDB vs. VoltDB

System Properties Comparison EXASOL vs. OpenQM vs. RavenDB vs. VoltDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonRavenDB  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.QpenQM is a high-performance, self-tuning, multi-value DBMSOpen Source Operational and Transactional Enterprise NoSQL Document DatabaseDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelRelational DBMSMultivalue DBMSDocument storeRelational DBMS
Secondary database modelsGraph DBMS infoexperimental
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.89
Rank#89  Overall
#44  Relational DBMS
Score0.28
Rank#244  Overall
#10  Multivalue DBMS
Score3.82
Rank#78  Overall
#13  Document stores
Score1.78
Rank#123  Overall
#59  Relational DBMS
Websitewww.exasol.com/­en/­productswww.openqm.comravendb.netwww.voltdb.com
Technical documentationwww.exasol.com/­en/­community/­resourceswww.openqm.com/­support/­documentationravendb.net/­docsdocs.voltdb.com
DeveloperExasolMartin PhillipsHibernating RhinosVoltDB Inc.
Initial release2000199320102010
Current release3.4-124.2, May 20199.0, April 2019
License infoCommercial or Open SourcecommercialOpen Source infoGPLv2, extended commercial license availableOpen Source infoAGPL version 3, commercial license availableOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#Java, C++
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
macOS
Raspberry Pi
Windows
Linux
OS X infofor development
Data schemeyesyes infowith some exceptionsschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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.noyes
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesnoSQL-like query language (RQL)yes infoonly a subset of SQL 99
APIs and other access methods.Net
JDBC
ODBC
WebSocket
.NET Client API
Java Client API
Python Client API
RESTful HTTP API
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languagesJava
Lua
Python
R
.Net
Basic
C
Java
Objective C
PHP
Python
.Net
C#
Go
Java
JavaScript (Node.js)
Python
Ruby
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresuser defined functionsyesyesJava
Triggersyesyesyesno
Partitioning methods infoMethods for storing different data on different nodesShardingyesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-master replicationMaster-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnoyes infoMapReduce functions can be defined in Linqno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnonono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID, Cluster-wide transaction availableACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesyesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardAccess rights can be defined down to the item levelAccess control on document level using the Authorization BundleUsers and roles with access to stored procedures

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
EXASOLOpenQM infoalso called QMRavenDBVoltDB
Recent citations in the news

68% of Data Teams Unable to Extract the Insights Organizations Need for Better Decision Making
13 February 2020, Yahoo Finance

Businesses struggling to extract insight from sea of data
14 February 2020, ITProPortal

In-memory OLAP Database Market Demand, Production, Supply, Top Manufacturers, Competitive Development, End User and Strategies Analysis and Forecast 2025
18 February 2020, Keep Reading

In-memory OLAP Database Market Size, Status, Global Outlook 2019 To 2025
17 February 2020, Galus Australis

Data and Data Analysts Take the Lead
20 January 2020, eNewsWire

provided by Google News

Encompass Eliminates Downtime with jBASE from Zumasys
2 October 2018, GlobeNewswire

provided by Google News

NoSQL Database Software Market projecting a CAGR of 35.1% during the forecasted period, 2020-2026
18 February 2020, Nyse Nasdaq Live

Review: NoSQL database RavenDB
20 March 2019, TechGenix

Global Operational Database Management Systems (OPDBMS) Software Market Shows Massive Improvement Till 2025
17 February 2020, Galus Australis

NoSQL Databases Software Market 2020: Which region will witness
10 February 2020, openPR

Oren Eini on RavenDB | NDC London 2016 - Microsoft
26 July 2016, Channel 9

provided by Google News

VoltDB Secures $10 Million in Series C Funding to Meet Demand for 5G Data Requirements
23 October 2019, PRNewswire

NEWSQL Database Market Forecast to 2025- Microsoft Corporation, MemSQL, SAP, IBM, Altibase, Oracle, VoltDB, Pivotal
18 February 2020, Redhill Local Councillors

VoltDB Raises $10M in Series C Funding
23 October 2019, FinSMEs

A Global Digital Media Network
5 February 2020, Digital Journal

Future Growth Of RDBMS Software Market By New Business Developments, Innovations, And Top Companies – Forecast To 2026
12 February 2020, Nyse Nasdaq Live

provided by Google News

Job opportunities

Database Administrator
Trilliant, Cary, NC

AWS DevOps Engineer
National Research Center for College & University Admissions, Austin, TX

Data Analyst - Marketing & Sales
McKinsey & Company, San Jose, CA

Big Data/Hadoop Developer
Simplex Info Systems Inc., Okmulgee, OK

Analytics Consultant - West
InterWorks, Los Angeles, CA

Data Scientists
Inductive Minds, Washington, DC

GC JUNIOR DEVELOPER
The Home Depot, Houston, TX

PHP Developer
Mindfire Technology, Layton, UT

Software Developer
Cambridge Investment Research, Inc., Fairfield, IA

Full Stack Developer
David Weekley Homes, Houston, TX

Principal Developer
BNY Mellon, New York, NY

Principal Developer
BNY Mellon, Wellesley, MA

jobs by Indeed




Share this page

Featured Products

Datastax Luna logo

Simple, subscription-based support for open source
Apache Cassandra™ from the Cassandra experts.
Learn more.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

MariaDB logo

How do MariaDB, Oracle MySQL and EnterpriseDB compare?
Get the white paper to
learn more.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Present your product here