DBMS > Apache Jena - TDB vs. Heroic vs. SAP Advantage Database Server vs. Titan

System Properties Comparison Apache Jena - TDB vs. Heroic vs. SAP Advantage Database Server vs. Titan

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Name	Apache Jena - TDB  Xexclude from comparison	Heroic  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	Titan  Xexclude from comparison
				Titan has been decommisioned after the takeover by Datastax. It will be removed from the DB-Engines ranking. A fork has been open-sourced as JanusGraph.
Description	A RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena framework	Time Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearch	Low-cost RDBMS with access to ISAM and FoxPro data structures	Titan is a Graph DBMS optimized for distributed clusters.
Primary database model	RDF store	Time Series DBMS	Relational DBMS	Graph DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 2.89 Rank #105   Overall #3   RDF stores	Score 0.25 Rank #280   Overall #22   Time Series DBMS	Score 3.66 Rank #91   Overall #48   Relational DBMS
Website	jena.apache.org/­documentation/­tdb/­index.html	spotify.github.io/­heroic/­#!/­index	www.sap.com/­products/­advantage-database-server.html	titan.thinkaurelius.com
Technical documentation	jena.apache.org/­documentation/­tdb/­index.html	spotify.github.io/­heroic/­#!/­docs/­overview		github.com/­thinkaurelius/­titan/­wiki
Developer	Apache Software Foundation originally developed by HP Labs	Spotify	Sybase, SAP	Aurelius, owned by DataStax
Initial release	2000	2014	1993	2012
Current release	4.3.2, December 2021
License Commercial or Open Source	Open Source Apache License, Version 2.0	Open Source Apache 2.0	commercial	Open Source Apache license, version 2.0
Cloud-based only Only available as a cloud service	no	no	no	no
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Implementation language	Java	Java		Java
Server operating systems	All OS with a Java VM		Linux Windows	Linux OS X Unix Windows
Data scheme	yes RDF Schemas	schema-free	yes	yes
Typing predefined data types such as float or date	yes	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
Secondary indexes	yes	yes via Elasticsearch	yes	yes
SQL Support of SQL	no	no	yes	no
APIs and other access methods	Fuseki REST-style SPARQL HTTP Interface Jena RDF API RIO RDF Input/Output	HQL (Heroic Query Language, a JSON-based language) HTTP API	.NET Client API ADO.NET JDBC ODBC OLE DB	Java API TinkerPop Blueprints TinkerPop Frames TinkerPop Gremlin TinkerPop Rexster
Supported programming languages	Java		Delphi Perl PHP	Clojure Java Python
Server-side scripts Stored procedures	yes	no	yes	yes
Triggers	yes via event handler	no	yes	yes
Partitioning methods Methods for storing different data on different nodes	none	Sharding	none	yes via pluggable storage backends
Replication methods Methods for redundantly storing data on multiple nodes	none	yes	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication	yes
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	yes via Faunus, a graph analytics engine
Consistency concepts Methods to ensure consistency in a distributed system		Eventual Consistency Immediate Consistency	Immediate Consistency	Eventual Consistency Immediate Consistency
Foreign keys Referential integrity		no	yes	yes Relationships in graph
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID TDB Transactions	no	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes Supports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcast
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.		no	no caching of (temporary) tables can be configured
User concepts Access control	Access control via Jena Security		fine grained access rights according to SQL-standard	User authentification and security via Rexster Graph Server
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	Apache Jena - TDB	Heroic	SAP Advantage Database Server former name: Sybase ADS	Titan
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