DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. EventStoreDB vs. Sequoiadb vs. SiriDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. EventStoreDB vs. Sequoiadb vs. SiriDB

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	EventStoreDB  Xexclude from comparison	Sequoiadb  Xexclude from comparison	SiriDB  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Industrial-strength, open-source database solution built from the ground up for event sourcing.	NewSQL database with distributed OLTP and SQL	Open Source Time Series DBMS
Primary database model	Relational DBMS	Event Store	Document store Relational DBMS	Time Series DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 1.19 Rank #173   Overall #1   Event Stores	Score 0.50 Rank #258   Overall #41   Document stores #120   Relational DBMS	Score 0.07 Rank #378   Overall #42   Time Series DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.eventstore.com	www.sequoiadb.com	siridb.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	developers.eventstore.com	www.sequoiadb.com/­en/­index.php?m=Files&a=index	docs.siridb.com
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Event Store Limited	Sequoiadb Ltd.	Cesbit
Initial release	2016	2012	2013	2017
Current release		21.2, February 2021
License Commercial or Open Source	commercial	Open Source	Open Source Server: AGPL; Client: Apache V2	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++	C
Server operating systems	hosted	Linux Windows	Linux	Linux
Data scheme	yes		schema-free	yes
Typing predefined data types such as float or date	yes		yes oid, date, timestamp, binary, regex	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		no	no
Secondary indexes	yes		yes	yes
SQL Support of SQL	yes		SQL-like query language	no
APIs and other access methods	JDBC ODBC		proprietary protocol using JSON	HTTP API
Supported programming languages	C Java Perl Python R		.Net C++ Java PHP Python	C C++ Go Java JavaScript (Node.js) PHP Python R
Server-side scripts Stored procedures	yes		JavaScript	no
Triggers	yes		no	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service		Sharding	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service		Source-replica replication	yes
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
Foreign keys Referential integrity	yes		no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID		Document is locked during a transaction	no
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	yes
User concepts Access control	fine grained access rights according to SQL-standard		simple password-based access control	simple rights management via user accounts
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	EventStoreDB	Sequoiadb	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

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