DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Blueflood vs. DolphinDB vs. Yanza

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Blueflood vs. DolphinDB vs. Yanza

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Blueflood  Xexclude from comparison	DolphinDB  Xexclude from comparison	Yanza  Xexclude from comparison
				Yanza seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Scalable TimeSeries DBMS based on Cassandra	DolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.	Time Series DBMS for IoT Applications
Primary database model	Relational DBMS	Time Series DBMS	Time Series DBMS	Time Series DBMS
Secondary database models			Relational 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 4.03 Rank #78   Overall #6   Time Series DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	blueflood.io	www.dolphindb.com	yanza.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	github.com/­rax-maas/­blueflood/­wiki	docs.dolphindb.cn/­en/­help200/­index.html
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Rackspace	DolphinDB, Inc	Yanza
Initial release	2016	2013	2018	2015
Current release			v2.00.4, January 2022
License Commercial or Open Source	commercial	Open Source Apache 2.0	commercial free community version available	commercial free version available
Cloud-based only Only available as a cloud service	yes	no	no	no but mainly used as a service provided by Yanza
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 Windows	Windows
Data scheme	yes	predefined scheme	yes	schema-free
Typing predefined data types such as float or date	yes	yes	yes	no
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	no	no
Secondary indexes	yes	no	yes	no
SQL Support of SQL	yes	no	SQL-like query language	no
APIs and other access methods	JDBC ODBC	HTTP REST	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	HTTP API
Supported programming languages	C Java Perl Python R		C# C++ Go Java JavaScript MatLab Python R Rust	any language that supports HTTP calls
Server-side scripts Stored procedures	yes	no	yes	no
Triggers	yes	no	no	yes Timer and event based
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding based on Cassandra	horizontal partitioning	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor based on Cassandra	yes	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	yes	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	Immediate Consistency
Foreign keys Referential integrity	yes	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	yes	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	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	no	Administrators, Users, Groups	no
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Blueflood	DolphinDB	Yanza
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 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 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

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