DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Postgres-XL vs. RDF4J vs. SiriDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Postgres-XL vs. RDF4J vs. SiriDB

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Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Postgres-XL  Xexclude from comparison	RDF4J formerly known as Sesame  Xexclude from comparison	SiriDB  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features	RDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.	Open Source Time Series DBMS
Primary database model	Relational DBMS	Relational DBMS	RDF store	Time Series DBMS
Secondary database models		Document store Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 0.74 Rank #222   Overall #9   RDF stores	Score 0.07 Rank #378   Overall #42   Time Series DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.postgres-xl.org	rdf4j.org	siridb.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	www.postgres-xl.org/­documentation	rdf4j.org/­documentation	docs.siridb.com
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group		Since 2016 officially forked into an Eclipse project, former developer was Aduna Software.	Cesbit
Initial release	2016	2014 since 2012, originally named StormDB	2004	2017
Current release		10 R1, October 2018
License Commercial or Open Source	commercial	Open Source Mozilla public license	Open Source Eclipse Distribution License (EDL), v1.0.	Open Source MIT License
Cloud-based only Only available as a cloud service	yes	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		C	Java	C
Server operating systems	hosted	Linux macOS	Linux OS X Unix Windows	Linux
Data scheme	yes	yes	yes RDF Schemas	yes
Typing predefined data types such as float or date	yes	yes	yes	yes Numeric data
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	yes XML type, but no XML query functionality		no
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	yes	yes distributed, parallel query execution	no	no
APIs and other access methods	JDBC ODBC	ADO.NET JDBC native C library ODBC streaming API for large objects	Java API RIO RDF Input/Output Sail API SeRQL Sesame RDF Query Language Sesame REST HTTP Protocol SPARQL	HTTP API
Supported programming languages	C Java Perl Python R	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl	Java PHP Python	C C++ Go Java JavaScript (Node.js) PHP Python R
Server-side scripts Stored procedures	yes	user defined functions	yes	no
Triggers	yes	yes	yes	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	horizontal partitioning	none	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service		none	yes
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	yes		no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID MVCC	ACID Isolation support depends on the API used	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	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	no		yes
User concepts Access control	fine grained access rights according to SQL-standard	fine grained access rights according to SQL-standard	no	simple rights management via user accounts
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Postgres-XL	RDF4J formerly known as Sesame	SiriDB
Recent citations in the news	Alibaba Cloud upgrades AnalyticDB with vector database engine 25 July 2023, CloudTech News Two Critical Flaws Found in Alibaba Cloud's PostgreSQL Databases 20 April 2023, The Hacker News Two critical vulnerabilities spotted in Alibaba Cloud's PostgreSQL databases 21 April 2023, TEISS Experts disclosed two critical flaws in Alibaba cloud database services 20 April 2023, Security Affairs Alibaba Cloud to spur AI innovation with upcoming Singapore hackathon in March 21 February 2024, KrASIA provided by Google News		GraphDB Goes Open Source 27 January 2020, iProgrammer Ontotext's GraphDB 8.10 Makes Knowledge Graph Experience Faster and Richer 13 June 2019, Markets Insider provided by Google News

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