DBMS > Realm vs. VoltDB

System Properties Comparison Realm vs. VoltDB

Please select another system to include it in the comparison.

Our visitors often compare Realm and VoltDB with MySQL, MongoDB and PostgreSQL.

Editorial information provided by DB-Engines

Name

Description

A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data

Distributed In-Memory NewSQL RDBMS info

Used for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory

Primary database model

Document store

Relational DBMS

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

Score	8.36
Rank	#46	Overall
	#8	Document stores

Score	1.57
Rank	#127	Overall
	#62	Relational DBMS

Website

realm.io

www.voltdb.com

Technical documentation

realm.io/docs

docs.voltdb.com

Developer

Realm, acquired by MongoDB in May 2019

VoltDB Inc.

Initial release

2014

2010

Current release

9.0, April 2019

License

Commercial or Open Source

Open Source

Open Source info

AGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions

Cloud-based only info

Only available as a cloud service

DBaaS offerings (sponsored links) info

Database as a Service

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

Implementation language

Java, C++

Server operating systems

Android
Backend: server-less
iOS
Windows

Linux
OS X info

for development

Data scheme

yes

Typing

predefined data types such as float or date

yes

XML support info

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

yes

SQL

Support of SQL

yes

only a subset of SQL 99

APIs and other access methods

Java API
JDBC
RESTful HTTP/JSON API

Supported programming languages

.Net
Java

with Android only
Objective-C
React Native
Swift

C#
C++
Erlang info

not officially supported
Go
Java
JavaScript info

Node.js
PHP
Python

Server-side scripts info

Stored procedures

runs within the applications so server-side scripts are unnecessary

Java

Triggers

yes

Change Listeners

Partitioning methods info

Methods for storing different data on different nodes

none

Sharding

Replication methods info

Methods for redundantly storing data on multiple nodes

none

Master-master replication
Master-slave replication

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts info

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys info

Referential integrity

FOREIGN KEY constraints are not supported

Transaction concepts info

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

ACID

Transactions are executed single-threaded within stored procedures

Concurrency info

Support for concurrent manipulation of data

yes

Data access is serialized by the server

Durability info

Support for making data persistent

yes

Snapshots and command logging

In-memory capabilities info

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

yes

In-Memory realm

User concepts info

Access control

yes

Users and roles with access to stored procedures

More information provided by the system vendor

Specific characteristics

Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more

Competitive advantages

Realm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more

Typical application scenarios

Mobile Consumer Apps First-Line Worker Apps
» more

Key customers

Cathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more

Market metrics

Used by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more

Licensing and pricing models

Realm database is licensed under the Apache License v2.0.
» more

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

DB-Engines blog posts

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

show all

Recent citations in the news

Realm Makes PostgreSQL Real-Time with New Connector
21 March 2017, Database Trends and Applications

Spencer Johnson joins Pyramid Analytics as Vice President of North America Sales
3 April 2020, Help Net Security

Pyramid Analytics Appoints Spencer Johnson as Vice President of North America Sales
31 March 2020, Business Wire

Realm Platform 2.0 Is Significant Step Forward for Building Responsive and Real-Time Mobile Applications
17 October 2017, Business Wire

Q&A with Ed Lee on RAID, Virtualization-Aware Storage
15 August 2012, Virtualization Review

provided by Google News

In-Memory Database Market 2020 Opportunities and Share by 2027 Top Key Players – Amazon Web Services, Altibase Corporation, McObject LLC, Microsoft Corporation, VoltDB and More
2 June 2020, News Distinct

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

Global In-Memory Database Market Outlook and Forecast 2020 due to COVID-19 Impact
2 June 2020, Cole of Duty

Global NEWSQL Database Market Expected to Reach Highest CAGR by 2025 Top Players: Microsoft Corporation, IBM, Oracle, SAP, Amazon, Pivotal
2 June 2020, Cole of Duty

GLOBAL IN-MEMORY OLAP DATABASE MARKET 2020 BY MANUFACTURERS, COUNTRIES, TYPE AND APPLICATION, FORECAST TO 2023 – Distinct Analysis & Reports
2 June 2020, News Distinct

provided by Google News

Share this page