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DBMS > LMDB vs. Trafodion

System Properties Comparison LMDB vs. Trafodion

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonTrafodion  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryTransactional SQL-on-Hadoop DBMS
Primary database modelKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.60
Rank#120  Overall
#22  Key-value stores
Score0.72
Rank#237  Overall
#113  Relational DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbtrafodion.apache.org
Technical documentationtrafodion.apache.org
DeveloperSymasApache Software Foundation, originally developed by HP
Initial release20112014
Current release0.9.29, March 20212.3.0, February 2019
License infoCommercial or Open SourceOpen SourceOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC++, Java
Server operating systemsLinux
Data schemeschema-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.nono
Secondary indexesnoyes
SQL infoSupport of SQLnoyes
APIs and other access methodsADO.NET
JDBC
ODBC
Supported programming languagesCAll languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnoJava Stored Procedures
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate 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 datayesyes
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
User concepts infoAccess controlnofine grained access rights according to SQL-standard

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LMDBTrafodion
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