DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. SAP Advantage Database Server vs. SWC-DB vs. Yaacomo

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. SAP Advantage Database Server vs. SWC-DB vs. Yaacomo

Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	EJDB  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	SWC-DB Super Wide Column Database  Xexclude from comparison	Yaacomo  Xexclude from comparison
			SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.		Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
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)	Low-cost RDBMS with access to ISAM and FoxPro data structures	A high performance, scalable Wide Column DBMS	OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database model	Relational DBMS	Document store	Relational DBMS	Wide column store	Relational DBMS
Secondary database models				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 0.31 Rank #296   Overall #44   Document stores		Score 0.08 Rank #364   Overall #13   Wide column stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	github.com/­Softmotions/­ejdb	www.sap.com/products/advantage-database-server.html	github.com/­kashirin-alex/­swc-db www.swcdb.org	yaacomo.com
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	Softmotions	Sybase, SAP	Alex Kashirin	Q2WEB GmbH
Initial release	2016	2012	1993	2020	2009
Current release				0.5, April 2021
License Commercial or Open Source	commercial	Open Source GPLv2	commercial	Open Source GPL V3	commercial
Cloud-based only Only available as a cloud service	yes	no	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	server-less	Linux Windows	Linux	Android Linux Windows
Data scheme	yes	schema-free	yes	schema-free	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		no	no	no
Secondary indexes	yes	no	yes		yes
SQL Support of SQL	yes	no	yes	SQL-like query language	yes
APIs and other access methods	JDBC ODBC	in-process shared library	.NET Client API ADO.NET JDBC ODBC OLE DB	Proprietary protocol Thrift	JDBC ODBC
Supported programming languages	C Java Perl Python R	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	Delphi Perl PHP	C++
Server-side scripts Stored procedures	yes	no	yes	no
Triggers	yes	no	yes	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	none	none	Sharding	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	none	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication		Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency		Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	no typically not needed, however similar functionality with collection joins possible	yes		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	yes
Durability Support for making data persistent	yes	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 caching of (temporary) tables can be configured	no	yes
User concepts Access control	fine grained access rights according to SQL-standard	no	fine grained access rights according to SQL-standard		fine grained access rights according to SQL-standard
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	EJDB	SAP Advantage Database Server former name: Sybase ADS	SWC-DB Super Wide Column Database	Yaacomo
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		SAP Announces Q3 2023 Results: Asia Pacific and Japan View 19 October 2023, SAP News provided by Google News	2022 All O-Zone Football Team 17 December 2022, Ozarks Sports Zone provided by Google News

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