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DBMS > Hazelcast vs. OpenQM vs. Oracle

System Properties Comparison Hazelcast vs. OpenQM vs. Oracle

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Editorial information provided by DB-Engines
NameHazelcast  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonOracle  Xexclude from comparison
DescriptionA widely adopted in-memory data gridQpenQM is a high-performance, self-tuning, multi-value DBMSWidely used RDBMS
Primary database modelKey-value storeMultivalue DBMSRelational DBMS
Secondary database modelsDocument store infoJSON support with IMDG 3.12Document store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
Spatial DBMS infowith Oracle Spatial and Graph
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score10.02
Rank#48  Overall
#5  Key-value stores
Score0.41
Rank#272  Overall
#10  Multivalue DBMS
Score1236.37
Rank#1  Overall
#1  Relational DBMS
Websitehazelcast.comwww.openqm.comwww.oracle.com/­database
Technical documentationhazelcast.org/­imdg/­docswww.openqm.com/­support/­documentationdocs.oracle.com/­en/­database
DeveloperHazelcastMartin PhillipsOracle
Initial release200819931980
Current release5.1, March 20223.4-1219c, February 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infoGPLv2, extended commercial license availablecommercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC and C++
Server operating systemsAll OS with a Java VMAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
Data schemeschema-freeyes infowith some exceptionsyes infoSchemaless in JSON and XML columns
Typing infopredefined data types such as float or dateyesyes
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 strategyyesyes
Secondary indexesyesyesyes
SQL infoSupport of SQLSQL-like query languagenoyes infowith proprietary extensions
APIs and other access methodsJCache
JPA
Memcached protocol
RESTful HTTP API
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Supported programming languages.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
C
C#
C++
Clojure
Cobol
Delphi
Eiffel
Erlang
Fortran
Groovy
Haskell
Java
JavaScript
Lisp
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Scala
Tcl
Visual Basic
Server-side scripts infoStored proceduresyes infoEvent Listeners, Executor ServicesyesPL/SQL infoalso stored procedures in Java possible
Triggersyes infoEventsyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingyesSharding, horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated MapyesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono infocan be realized in PL/SQL
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 integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataone or two-phase-commit; repeatable reads; read commitedACIDACID infoisolation level can be parameterized
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoVersion 12c introduced the new option 'Oracle Database In-Memory'
User concepts infoAccess controlRole-based access controlAccess rights can be defined down to the item levelfine grained access rights according to SQL-standard

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More resources
HazelcastOpenQM infoalso called QMOracle
DB-Engines blog posts

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Conferences and events

Oracle Cloud World
Las Vegas, 17-20 October 2022

Recent citations in the news

Data processor Hazelcast goes serverless: Viridian platform hits beta
28 July 2022, The Register

Hazelcast CEO looks to grow real-time data platform
5 August 2022, TechTarget

Hazelcast Announces a New Unified Platform with Version 5.0
13 December 2021, InfoQ.com

Hazelcast Announces New Executive Hires as Enterprises Demand Real-Time Solutions
11 May 2022, GlobeNewswire

Hazelcast's streaming data in-memory software features hopping, tumbling, and tiers – Blocks and Files
1 March 2022, Blocks and Files

provided by Google News

OpenQM
5 March 2019, International Spectrum Magazine

provided by Google News

Road to Oracle CloudWorld 2022 Databases Preview: Exadata, 23c Release, and More With EVP Juan Loaiza
3 October 2022, Acceleration Economy

Oracle - Oracle Announces Fiscal 2023 First Quarter Financial Results - Oracle
12 September 2022, Investor Relations

How to Migrate an Oracle Database to MySQL Using AWS Database Migration Service
7 September 2022, InfoQ.com

Oracle brings MySQL Heatwave cloud database service to AWS
13 September 2022, TechTarget

The Top 5 Myths of Migrating Oracle Databases to AWS Debunked
28 September 2022, Database Trends and Applications

provided by Google News

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