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DBMS > OpenEdge vs. Oracle Rdb vs. Realm vs. Titan

System Properties Comparison OpenEdge vs. Oracle Rdb vs. Realm vs. Titan

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Editorial information provided by DB-Engines
NameOpenEdge  Xexclude from comparisonOracle Rdb  Xexclude from comparisonRealm  Xexclude from comparisonTitan  Xexclude from comparison
Titan has been decommisioned after the takeover by Datastax. It will be removed from the DB-Engines ranking. A fork has been open-sourced as JanusGraph.
DescriptionApplication development environment with integrated database management systemA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataTitan is a Graph DBMS optimized for distributed clusters.
Primary database modelRelational DBMSRelational DBMSDocument storeGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.75
Rank#88  Overall
#47  Relational DBMS
Score1.08
Rank#187  Overall
#85  Relational DBMS
Score7.71
Rank#52  Overall
#9  Document stores
Websitewww.progress.com/­openedgewww.oracle.com/­database/­technologies/­related/­rdb.htmlrealm.iogithub.com/­thinkaurelius/­titan
Technical documentationdocumentation.progress.com/­output/­ua/­OpenEdge_latestwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlrealm.io/­docsgithub.com/­thinkaurelius/­titan/­wiki
DeveloperProgress Software CorporationOracle, originally developed by Digital Equipment Corporation (DEC)Realm, acquired by MongoDB in May 2019Aurelius, owned by DataStax
Initial release1984198420142012
Current releaseOpenEdge 12.2, March 20207.4.1.1, 2021
License infoCommercial or Open SourcecommercialcommercialOpen SourceOpen Source infoApache license, version 2.0
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 languageJava
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
HP Open VMSAndroid
Backend: server-less
iOS
Windows
Linux
OS X
Unix
Windows
Data schemeyesFlexible Schema (defined schema, partial schema, schema free)yesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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.yesnono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyes infoclose to SQL 92yesnono
APIs and other access methodsJDBC
ODBC
Java API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
Supported programming languagesProgress proprietary ABL (Advanced Business Language).Net
Java infowith Android only
Objective-C
React Native
Swift
Clojure
Java
Python
Server-side scripts infoStored proceduresyesno inforuns within the applications so server-side scripts are unnecessaryyes
Triggersyesyes infoChange Listenersyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning infosince Version 11.4noneyes infovia pluggable storage backends
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes infovia Faunus, a graph analytics engine
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesyesnoyes infoRelationships in graph
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes, on a single nodeACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcast
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes infoIn-Memory realm
User concepts infoAccess controlUsers and groupsyesUser authentification and security via Rexster Graph Server

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More resources
OpenEdgeOracle RdbRealmTitan
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