DBMS > Apache Jena - TDB vs. EsgynDB vs. IBM Db2 Event Store
System Properties Comparison Apache Jena - TDB vs. EsgynDB vs. IBM Db2 Event Store
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|Editorial information provided by DB-Engines|
|Name||Apache Jena - TDB Xexclude from comparison||EsgynDB Xexclude from comparison||IBM Db2 Event Store Xexclude from comparison|
|Description||A RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena framework||Enterprise-class SQL-on-Hadoop solution, powered by Apache Trafodion||Distributed Event Store optimized for Internet of Things use cases|
|Primary database model||RDF store||Relational DBMS||Event Store|
Time Series DBMS
|Developer||Apache Software Foundation originally developed by HP Labs||Esgyn||IBM|
|Current release||4.9.0, July 2023||2.0|
|License Commercial or Open Source||Open Source Apache License, Version 2.0||commercial||commercial free developer edition available|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Implementation language||Java||C++, Java||C and C++|
|Server operating systems||All OS with a Java VM||Linux||Linux Linux, macOS, Windows for the developer addition|
|Data scheme||yes RDF Schemas||yes||yes|
|Typing predefined data types such as float or date||yes||yes||yes|
|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||no|
|SQL Support of SQL||no||yes||yes through the embedded Spark runtime|
|APIs and other access methods||Fuseki REST-style SPARQL HTTP Interface|
Jena RDF API
RIO RDF Input/Output
RESTful HTTP API
|Supported programming languages||Java||All languages supporting JDBC/ODBC/ADO.Net||C|
|Server-side scripts Stored procedures||yes||Java Stored Procedures||yes|
|Triggers||yes via event handler||no||no|
|Partitioning methods Methods for storing different data on different nodes||none||Sharding||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||none||Multi-source replication between multi datacenters||Active-active shard replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Eventual Consistency|
|Foreign keys Referential integrity||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID TDB Transactions||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||No - written data is immutable|
|Durability Support for making data persistent||yes||yes||Yes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storage|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes|
|User concepts Access control||Access control via Jena Security||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard|
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|Apache Jena - TDB||EsgynDB||IBM Db2 Event Store|
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