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DBMS > OpenQM vs. SWC-DB vs. Trafodion

System Properties Comparison OpenQM vs. SWC-DB vs. Trafodion

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonSWC-DB infoSuper Wide Column Database  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSA high performance, scalable Wide Column DBMSTransactional SQL-on-Hadoop DBMS
Primary database modelMultivalue DBMSWide column storeRelational DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.30
Rank#278  Overall
#10  Multivalue DBMS
Score0.01
Rank#385  Overall
#13  Wide column stores
Websitewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmgithub.com/­kashirin-alex/­swc-db
www.swcdb.org
trafodion.apache.org
Technical documentationtrafodion.apache.org/­documentation.html
DeveloperRocket Software, originally Martin PhillipsAlex KashirinApache Software Foundation, originally developed by HP
Initial release199320202014
Current release3.4-120.5, April 20212.3.0, February 2019
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availableOpen Source infoGPL V3Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++, Java
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
LinuxLinux
Data schemeyes infowith some exceptionsschema-freeyes
Typing infopredefined data types such as float or dateyes
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 indexesyesyes
SQL infoSupport of SQLnoSQL-like query languageyes
APIs and other access methodsProprietary protocol
Thrift
ADO.NET
JDBC
ODBC
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
C++All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresyesnoJava Stored Procedures
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesyesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
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.nono
User concepts infoAccess controlAccess rights can be defined down to the item levelfine grained access rights according to SQL-standard

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More resources
OpenQM infoalso called QMSWC-DB infoSuper Wide Column DatabaseTrafodion
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