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DBMS > eXtremeDB vs. Oracle Rdb

System Properties Comparison eXtremeDB vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameeXtremeDB  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionNatively in-memory DBMS with options for persistency, high-availability and clustering
Primary database modelRelational DBMS
Time Series DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.65
Rank#213  Overall
#104  Relational DBMS
#16  Time Series DBMS
Score1.22
Rank#159  Overall
#77  Relational DBMS
Websitewww.mcobject.comwww.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.html
Technical documentationwww.mcobject.com/­docs/­extremedb.htm
DeveloperMcObjectOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release20011984
Current release8.2, November 20207.4.1.1, 2021
License infoCommercial or Open Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++
Server operating systemsAIX
HP-UX
Linux
macOS
Solaris
Windows
HP Open VMS
Data schemeyesFlexible Schema (defined schema, partial schema, schema free)
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.no infosupport of XML interfaces availableno
Secondary indexesyesyes
SQL infoSupport of SQLyes infowith the option: eXtremeSQLyes
APIs and other access methods.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
Supported programming languages.Net
C
C#
C++
Java
Lua
Python
Scala
Server-side scripts infoStored proceduresyes
Triggersyes infoby defining events
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning / sharding
Replication methods infoMethods for redundantly storing data on multiple nodesActive Replication Fabricâ„¢ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
More information provided by the system vendor
eXtremeDBOracle Rdb
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
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Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
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Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
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Market metricsWith hundreds of customers and over 30 million devices/applications using the product...
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Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
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eXtremeDBOracle Rdb
Recent citations in the news

McObject Collaborates with Wind River to Deliver First-Ever
14 September 2021, GlobeNewswire

McObject Announces Immediate Availability Of eXtremeDB/rt For FreeRTOS
4 November 2021, Exchange News Direct

eXtremeDB 8.1 adds features for easier, more sophisticated
19 November 2019, GlobeNewswire

Beta tests for real time in-memory embedded database
4 May 2021, eeNews Europe

McObject and Lynx Software Technologies Team Up for the First COTS Hard Real-Time DBMS for Mission
21 October 2021, GlobeNewswire

provided by Google News

New Eclipse Tools for OpenVMS and Oracle RDB Certified by eCube Systems to Work with NXTware Remote
12 November 2013, PR Web

provided by Google News

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