DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Drizzle vs. EJDB vs. Transwarp StellarDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Drizzle vs. EJDB vs. Transwarp StellarDB

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Drizzle  Xexclude from comparison	EJDB  Xexclude from comparison	Transwarp StellarDB  Xexclude from comparison
		Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	MySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	A distributed graph DBMS built for enterprise-level graph applications
Primary database model	Relational DBMS	Relational DBMS	Document store	Graph DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS		Score 0.31 Rank #296   Overall #44   Document stores	Score 0.07 Rank #371   Overall #39   Graph DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql		github.com/­Softmotions/­ejdb	www.transwarp.cn/­en/­product/­stellardb
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview		github.com/­Softmotions/­ejdb/­blob/­master/­README.md
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Drizzle project, originally started by Brian Aker	Softmotions	Transwarp
Initial release	2016	2008	2012
Current release		7.2.4, September 2012
License Commercial or Open Source	commercial	Open Source GNU GPL	Open Source GPLv2	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		C++	C
Server operating systems	hosted	FreeBSD Linux OS X	server-less
Data scheme	yes	yes	schema-free
Typing predefined data types such as float or date	yes	yes	yes string, integer, double, bool, date, object_id
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
Secondary indexes	yes	yes	no
SQL Support of SQL	yes	yes with proprietary extensions	no	SQL-like query language
APIs and other access methods	JDBC ODBC	JDBC	in-process shared library	OpenCypher
Supported programming languages	C Java Perl Python R	C C++ Java PHP	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby
Server-side scripts Stored procedures	yes	no	no
Triggers	yes	no hooks for callbacks inside the server can be used.	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding	none	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	Multi-source replication Source-replica replication	none
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
Foreign keys Referential integrity	yes	yes	no typically not needed, however similar functionality with collection joins possible
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes Read/Write Locking	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
User concepts Access control	fine grained access rights according to SQL-standard	Pluggable authentication mechanisms e.g. LDAP, HTTP	no	yes
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Drizzle	EJDB	Transwarp StellarDB
DB-Engines blog posts		MySQL won the April ranking; did its forks follow? 1 April 2015, Paul Andlinger Has MySQL finally lost its mojo? 1 July 2013, Matthias Gelbmann show all
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

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