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DBMS > Ehcache vs. OpenEdge vs. OpenQM vs. Oracle Berkeley DB vs. Oracle Rdb

System Properties Comparison Ehcache vs. OpenEdge vs. OpenQM vs. Oracle Berkeley DB vs. Oracle Rdb

Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonOpenEdge  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonOracle Berkeley DB  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionA widely adopted Java cache with tiered storage optionsApplication development environment with integrated database management systemQpenQM is a high-performance, self-tuning, multi-value DBMSWidely used in-process key-value store
Primary database modelKey-value storeRelational DBMSMultivalue DBMSKey-value store infosupports sorted and unsorted key sets
Native XML DBMS infoin the Oracle Berkeley DB XML version
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score6.61
Rank#52  Overall
#8  Key-value stores
Score3.91
Rank#77  Overall
#41  Relational DBMS
Score0.26
Rank#250  Overall
#10  Multivalue DBMS
Score2.93
Rank#86  Overall
#15  Key-value stores
#2  Native XML DBMS
Score1.01
Rank#149  Overall
#73  Relational DBMS
Websitewww.ehcache.orgwww.progress.com/­openedgewww.openqm.comwww.oracle.com/­technetwork/­database/­database-technologies/­berkeleydb/­overview/­index.htmlwww.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.html
Technical documentationwww.ehcache.org/­documentationdocumentation.progress.com/­output/­ua/­OpenEdge_latestwww.openqm.com/­support/­documentationdocs.oracle.com/­cd/­E17076_05/­html/­index.html
DeveloperTerracotta Inc, owned by Software AGProgress Software CorporationMartin PhillipsOracle infooriginally developed by Sleepycat, which was acquired by OracleOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release20091984199319941984
Current release3.8.0, July 2019OpenEdge 11.7, March 20173.4-1218.1 (Core), June 20187.3.3.2.0, 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availablecommercialOpen Source infoGPLv2, extended commercial license availableOpen Source infocommercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC, Java, C++ (depending on the Berkeley DB edition)
Server operating systemsAll OS with a Java VMAIX
HP-UX
Linux
Solaris
Windows
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
AIX
Android
FreeBSD
iOS
Linux
OS X
Solaris
VxWorks
Windows
HP Open VMS
Data schemeschema-freeyesyes infowith some exceptionsschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesyesnoyes
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.nonoyesyes infoonly with the Berkeley DB XML editionno
Secondary indexesnoyesyesyesyes
SQL infoSupport of SQLnoyes infoclose to SQL 92noyes infoSQL interfaced based on SQLite is availableyes
APIs and other access methodsJCacheJDBC
ODBC
Supported programming languagesJavaProgress proprietary ABL (Advanced Business Language).Net
Basic
C
Java
Objective C
PHP
Python
.Net infoFigaro is a .Net framework assembly that extends Berkeley DB XML into an embeddable database engine for .NET
others infoThird-party libraries to manipulate Berkeley DB files are available for many languages
C
C#
C++
Java
JavaScript (Node.js) info3rd party binding
Perl
Python
Tcl
Server-side scripts infoStored proceduresnoyesyesno
Triggersyes infoCache Event Listenersyesyesyes infoonly for the SQL API
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta Serverhorizontal partitioning infosince Version 11.4yesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta ServerMaster-slave replicationyesMaster-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infosupports JTA and can work as an XA resourceACIDACIDACIDyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infousing a tiered cache-storage approachyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesno
User concepts infoAccess controlnoUsers and groupsAccess rights can be defined down to the item levelno

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More resources
EhcacheOpenEdgeOpenQM infoalso called QMOracle Berkeley DBOracle Rdb
Recent citations in the news

Ehcache 3.0 Released with Revamped API and Off-Heap Storage
2 May 2016, InfoQ.com

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