DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Blueflood vs. Postgres-XL vs. Ultipa

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Blueflood vs. Postgres-XL vs. Ultipa

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Blueflood  Xexclude from comparison	Postgres-XL  Xexclude from comparison	Ultipa  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Scalable TimeSeries DBMS based on Cassandra	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features	High performance Graph DBMS supporting HTAP high availability cluster deployment
Primary database model	Relational DBMS	Time Series DBMS	Relational DBMS	Graph 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 0.13 Rank #346   Overall #33   Time Series DBMS	Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 0.19 Rank #330   Overall #30   Graph DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	blueflood.io	www.postgres-xl.org	www.ultipa.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	github.com/­rax-maas/­blueflood/­wiki	www.postgres-xl.org/­documentation	www.ultipa.com/­document
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Rackspace		Ultipa
Initial release	2016	2013	2014 since 2012, originally named StormDB	2019
Current release			10 R1, October 2018
License Commercial or Open Source	commercial	Open Source Apache 2.0	Open Source Mozilla public license	commercial
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		Java	C
Server operating systems	hosted	Linux OS X	Linux macOS
Data scheme	yes	predefined scheme	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.	yes	no	yes XML type, but no XML query functionality
Secondary indexes	yes	no	yes
SQL Support of SQL	yes	no	yes distributed, parallel query execution
APIs and other access methods	JDBC ODBC	HTTP REST	ADO.NET JDBC native C library ODBC streaming API for large objects	RESTful HTTP API
Supported programming languages	C Java Perl Python R		.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl	C++ Go Java JavaScript (Node.js) Python
Server-side scripts Stored procedures	yes	no	user defined functions
Triggers	yes	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding based on Cassandra	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor based on Cassandra
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency
Foreign keys Referential integrity	yes	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	ACID MVCC
Concurrency Support for concurrent manipulation of data	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	no
User concepts Access control	fine grained access rights according to SQL-standard	no	fine grained access rights according to SQL-standard
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Blueflood	Postgres-XL	Ultipa
Recent citations in the news	Two Critical Flaws Found in Alibaba Cloud's PostgreSQL Databases 20 April 2023, The Hacker News Accidental ‘write’ Permissions In Alibaba PostgreSQL Let Attackers Access Sensitive Data 22 April 2023, GBHackers Two critical vulnerabilities spotted in Alibaba Cloud's PostgreSQL databases 21 April 2023, TEISS How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor Alibaba Cloud ignites AI innovation in Singapore with recent hackathon | KrASIA 27 March 2024, KrASIA provided by Google News	Real-Time Performance and Health Monitoring Using Netdata 2 September 2019, CNX Software provided by Google News		High-performance computing's role in real-time graph analytics - DataScienceCentral.com 30 January 2024, Data Science Central provided by Google News

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