DBMS > RDF4J vs. TimescaleDB
System Properties Comparison RDF4J vs. TimescaleDB
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|Editorial information provided by DB-Engines|
|Name||RDF4J formerly known as Sesame Xexclude from comparison||TimescaleDB Xexclude from comparison|
|Description||RDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.||A time series DBMS optimized for fast ingest and complex queries, based on PostgreSQL|
|Primary database model||RDF store||Time Series DBMS|
|Secondary database models||Relational DBMS|
|Developer||Since 2016 officially forked into an Eclipse project, former developer was Aduna Software.||Timescale|
|Current release||2.6.0, February 2022|
|License Commercial or Open Source||Open Source Eclipse Distribution License (EDL), v1.0.||Open Source Apache 2.0|
|Cloud-based only Only available as a cloud service||no||no|
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|Server operating systems||Linux|
|Data scheme||yes RDF Schemas||yes|
|Typing predefined data types such as float or date||yes||numerics, strings, booleans, arrays, JSON blobs, geospatial dimensions, currencies, binary data, other complex data types|
|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.||yes|
|SQL Support of SQL||no||yes full PostgreSQL SQL syntax|
|APIs and other access methods||Java API|
RIO RDF Input/Output
SeRQL Sesame RDF Query Language
Sesame REST HTTP Protocol
native C library
streaming API for large objects
|Supported programming languages||Java|
|Server-side scripts Stored procedures||yes||user defined functions, PL/pgSQL, PL/Tcl, PL/Perl, PL/Python, PL/Java, PL/PHP, PL/R, PL/Ruby, PL/Scheme, PL/Unix shell|
|Partitioning methods Methods for storing different data on different nodes||none||yes, across time and space (hash partitioning) attributes|
|Replication methods Methods for redundantly storing data on multiple nodes||none||Source-replica replication with hot standby and reads on replicas|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency|
|Foreign keys Referential integrity||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID Isolation support depends on the API used||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes in-memory storage is supported as well||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no|
|User concepts Access control||no||fine grained access rights according to SQL-standard|
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|RDF4J formerly known as Sesame||TimescaleDB|
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