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DBMS > Trafodion

Trafodion System Properties

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Editorial information provided by DB-Engines
NameTrafodion
DescriptionTransactional SQL-on-Hadoop DBMS
Database modelRelational DBMS
DB-Engines Ranking measures the popularity of database management systems
Trend Chart
Score0.13
Rank#229  Overall
#106  Relational DBMS
Websitetrafodion.apache.org
Technical documentationtrafodion.apache.org
DeveloperApache Software Foundation, originally developed by HP
Initial release2014
Current release2.0.1, July 2016
License Commercial or Open SourceOpen Source Apache 2.0
Cloud-based Only available as a cloud serviceno
Implementation languageC++, Java
Server operating systemsLinux
Data schemeyes
Typing predefined data types such as float or dateyes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no
Secondary indexesyes
SQL Support of (almost full) SQL standard (DML, DDL and DCL statements)yes
APIs and other access methodsJDBC
ODBC
ADO.NET
Supported programming languagesAll languages supporting JDBC/ODBC/ADO.Net
Server-side scripts Stored proceduresJava Stored Procedures
Triggersno
Partitioning methods Methods for storing different data on different nodesSharding
Replication methods Methods for redundantly storing data on multiple nodesyes, via HBase
MapReduce Offers an API for user-defined Map/Reduce methodsyes via user defined functions and HBase
Consistency concepts Methods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys Referential integrityyes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of dataACID
Concurrency Support for concurrent manipulation of datayes
Durability Support for making data persistentyes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.no
User concepts Access controlfine grained access rights according to SQL-standard

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More resources
Trafodion
Recent citations in the news

Splice Machine 2.0 combines HBase, Spark, NoSQL, relational...and goes open source
18 July 2016, ZDNet

An Open Source Tour de Force at Apache: Big Data 2016
11 May 2016, Datanami

Apache Trafodion事务和分析一体化引擎
9 July 2016, IT168

Esgyn Brings Active-Active Multi-Data Center Transaction Support to Hadoop
8 December 2015, PR Newswire (press release)

Hadoop's growing enterprise presence demonstrated by three innovative use cases
10 September 2015, ZDNet

provided by Google News




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