DB-EnginesExtremeDB: the first and only COTS deterministic embedded database management system for mission- and safety-critical hard real-time applicationsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Hazelcast vs. Kingbase vs. Realm vs. UniData,UniVerse

System Properties Comparison Hazelcast vs. Kingbase vs. Realm vs. UniData,UniVerse

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameHazelcast  Xexclude from comparisonKingbase  Xexclude from comparisonRealm  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionA widely adopted in-memory data gridAn enterprise-class RDBMS compatible with PostgreSQL and Oracle and widely used in China.A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataMultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelKey-value storeRelational DBMSDocument storeMultivalue DBMS
Secondary database modelsDocument store infoJSON support with IMDG 3.12Document store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score9.66
Rank#48  Overall
#6  Key-value stores
Score0.35
Rank#262  Overall
#123  Relational DBMS
Score9.29
Rank#50  Overall
#8  Document stores
Score4.19
Rank#81  Overall
#2  Multivalue DBMS
Websitehazelcast.comwww.kingbase.com.cnrealm.iowww.rocketsoftware.com/­products/­rocket-u2
Technical documentationhazelcast.org/­imdg/­docsbbs.kingbase.com.cn/­chess_wenku-index.htmlrealm.io/­docswww.rocketsoftware.com/­products/­rocket-u2/­documentation
DeveloperHazelcastBeiJing KINGBASE Information technologies inc.Realm, acquired by MongoDB in May 2019Rocket Software
Initial release2008199920141985
Current release4.2, March 2021V8.0, August 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availablecommercialOpen Sourcecommercial
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 languageJavaC and JavaC
Server operating systemsAll OS with a Java VMLinux
Windows
Android
Backend: server-less
iOS
Windows
AIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesoptional
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.yes infothe object must implement a serialization strategyyesno
Secondary indexesyesyesyesyes
SQL infoSupport of SQLSQL-like query languageStandard with numerous extensionsnoyes
APIs and other access methodsJCache
JPA
Memcached protocol
RESTful HTTP API
ADO.NET
gokb
JDBC
kdbndp
ODBC
PDI
PDO
Pro*C
psycopg2
QT
Java API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languages.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
.Net
C
C++
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresyes infoEvent Listeners, Executor Servicesuser defined functionsno inforuns within the applications so server-side scripts are unnecessaryyes
Triggersyes infoEventsyesyes infoChange Listenersyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning (by range, list and hash) and vertical partitioningnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated MapyesnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataone or two-phase-commit; repeatable reads; read commitedACIDACIDACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoIn-Memory realm
User concepts infoAccess controlRole-based access controlfine grained access rights according to SQL-standardyesAccess rights according to SQL-standard and operating system based
More information provided by the system vendor
HazelcastKingbaseRealmUniData,UniVerse
Specific characteristicsHazelcast is an in-memory computing platform that runs applications with extremely...
» more
An enterprise-class RDBMS compatible with PostgreSQL and Oracle. It has the following...
» more
Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesHazelcast has an optimized, multi-threaded architecture that enables the highest...
» more
Complete database management platform with Integrated Development Environment Tool,...
» more
Realm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosHazelcast powers many types of large-scale, data processing applications. A sample...
» more
New applications for transactional and mixed workloads that need to integrate with...
» more
Mobile Consumer Apps First-Line Worker Apps
» more
Key customersHazelcast customers include 50 of the world’s largest financial services companies,...
» more
The main customers are: China National Petroleum Corporation China Petrochemical...
» more
Cathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsAt present, the main market is in China, but expansion to the international market...
» more
Used by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsHazelcast provides both open source and commercial software. The open source offering...
» more
Business license. Various sales modes: for example, sales by set, sales by CPU quantity,...
» more
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
HazelcastKingbaseRealmUniData,UniVerse
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

Hazelcast Platform 5.0 is Now Generally Available
28 September 2021, Database Trends and Applications

Java News Roundup: Hazelcast 5.0, Changes Coming to WildFly, Scene Builder 17, Hibernate ORM
4 October 2021, InfoQ.com

Hazelcast Platform hits general availability milestone
30 September 2021, iTWire

Hazelcast goes live with its combined IMDG and streaming platform
29 September 2021, Market Research Telecast

SD Times news digest: Anaconda announces partnership with Snowflake, ReSharper 2021.3 early access, Hazelcast Platform generally available
29 September 2021, SDTimes.com

provided by Google News

How a Chinese Surveillance Broker Became Oracle's “Partner of the Year”
22 April 2021, The Intercept

provided by Google News

On Point: Q&A with Lewis Shepherd | SIGNAL Magazine
1 June 2021, Signal Magazine

MongoDB Extends Cloud Lineup With New Database Release, Search And Mobile Tools
12 June 2020, CRN: Technology news for channel partners and solution providers

MongoDB Cloud brings developers and edge together
10 June 2020, Techradar

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

MongoDB Cloud Gives Developers An Escape From Data Silos With First-Ever Unified Cloud-To-Mobile Experience
9 June 2020, PRNewswire

provided by Google News

Unidata's (BIT:UD) Robust Earnings Are Not All Good News For Shareholders
7 October 2021, Simply Wall St

APAC, Europe, America region to act as revenue generator for Water Level and Storage Monitoring Software market over 2021-2026
11 October 2021, Northwest Diamond Notes

StrikeTru to implement Unidata MDM Solution for Baird & Warner Real Estate Services Company based in Chicago
14 April 2021, PR Web

Investors Could Be Concerned With Unidata's (BIT:UD) Returns On Capital
11 May 2021, Simply Wall St

UniData
5 March 2019, International Spectrum Magazine

provided by Google News

Job opportunities

Senior Product Marketing Manager
Hazelcast, San Mateo, CA

Demand Generation Campaigns Manager- Remote Atlanta
Hazelcast, Atlanta, GA

Software Engineer - iOS
Lyft, Seattle, WA

iOS Architecture Engineer
Lyft, San Francisco, CA

Software Analyst, Global Support
Ellucian, Reston, VA

Registration & Academic Services Manager
Goodwin College, Bridgeport, CT

JR SQL Developer - Data Wrangler Apprenticeship
Arkansas Center for Data Sciences, Little Rock, AR

Production Control Generalist
Cabinetworks Group, Middlefield, OH

Application Programmer Analyst
Goodwin College, East Hartford, CT

jobs by Indeed



Share this page

Featured Products

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

AllegroGraph logo

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

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Present your product here