DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. PostGIS vs. WakandaDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. PostGIS vs. WakandaDB

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Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	EJDB  Xexclude from comparison	PostGIS  Xexclude from comparison	WakandaDB  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	Spatial extension of PostgreSQL	WakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access data
Primary database model	Relational DBMS	Document store	Spatial DBMS	Object oriented 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 0.31 Rank #296   Overall #44   Document stores	Score 21.72 Rank #29   Overall #1   Spatial DBMS	Score 0.10 Rank #356   Overall #16   Object oriented DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	github.com/­Softmotions/­ejdb	postgis.net	wakanda.github.io
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	github.com/­Softmotions/­ejdb/­blob/­master/­README.md	postgis.net/­documentation	wakanda.github.io/­doc
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Softmotions		Wakanda SAS
Initial release	2016	2012	2005	2012
Current release			3.4.2, February 2024	2.7.0 (April 29, 2019), April 2019
License Commercial or Open Source	commercial	Open Source GPLv2	Open Source GPL v2.0	Open Source AGPLv3, extended commercial license available
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	C++, JavaScript
Server operating systems	hosted	server-less		Linux OS X Windows
Data scheme	yes	schema-free	yes	yes
Typing predefined data types such as float or date	yes	yes string, integer, double, bool, date, object_id	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		yes	no
Secondary indexes	yes	no	yes
SQL Support of SQL	yes	no	yes	no
APIs and other access methods	JDBC ODBC	in-process shared library		RESTful HTTP API
Supported programming languages	C Java Perl Python R	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby		JavaScript
Server-side scripts Stored procedures	yes	no	user defined functions	yes
Triggers	yes	no	yes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	none	yes based on PostgreSQL	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	none	yes based on PostgreSQL	none
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	Immediate Consistency
Foreign keys Referential integrity	yes	no typically not needed, however similar functionality with collection joins possible	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes	yes Read/Write Locking	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	no
User concepts Access control	fine grained access rights according to SQL-standard	no	yes based on PostgreSQL	yes
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	EJDB	PostGIS	WakandaDB
DB-Engines blog posts			Spatial database management systems 6 April 2021, 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 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 | KrASIA 21 February 2024, KrASIA provided by Google News

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