DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. DolphinDB vs. EJDB vs. mSQL vs. SAP Advantage Database Server

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. DolphinDB vs. EJDB vs. mSQL vs. SAP Advantage Database Server

Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	DolphinDB  Xexclude from comparison	EJDB  Xexclude from comparison	mSQL Mini SQL  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison
					SAP Advantage Database Server 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	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.	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	mSQL (Mini SQL) is a simple and lightweight RDBMS	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Relational DBMS	Time Series DBMS	Document store	Relational DBMS	Relational 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 4.03 Rank #78   Overall #6   Time Series DBMS	Score 0.31 Rank #296   Overall #44   Document stores	Score 1.27 Rank #169   Overall #76   Relational DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.dolphindb.com	github.com/­Softmotions/­ejdb	hughestech.com.au/­products/­msql	www.sap.com/products/advantage-database-server.html
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	docs.dolphindb.cn/­en/­help200/­index.html	github.com/­Softmotions/­ejdb/­blob/­master/­README.md
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	DolphinDB, Inc	Softmotions	Hughes Technologies	Sybase, SAP
Initial release	2016	2018	2012	1994	1993
Current release		v2.00.4, January 2022		4.4, October 2021
License Commercial or Open Source	commercial	commercial free community version available	Open Source GPLv2	commercial free licenses can be provided	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	C
Server operating systems	hosted	Linux Windows	server-less	AIX HP-UX Linux OS X Solaris SPARC/x86 Windows	Linux Windows
Data scheme	yes	yes	schema-free	yes	yes
Typing predefined data types such as float or date	yes	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	yes	no	yes	yes
SQL Support of SQL	yes	SQL-like query language	no	A subset of ANSI SQL is implemented no subqueries, aggregate functions, views, foreign keys, triggers	yes
APIs and other access methods	JDBC ODBC	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	in-process shared library	JDBC ODBC	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages	C Java Perl Python R	C# C++ Go Java JavaScript MatLab Python R Rust	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	C C++ Delphi Java Perl PHP Tcl	Delphi Perl PHP
Server-side scripts Stored procedures	yes	yes	no	no	yes
Triggers	yes	no	no	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	horizontal partitioning	none	none	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	yes	none	none	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency		none	Immediate Consistency
Foreign keys Referential integrity	yes	no	no typically not needed, however similar functionality with collection joins possible	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	yes	no	no	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes Read/Write Locking	no	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	yes		no	no caching of (temporary) tables can be configured
User concepts Access control	fine grained access rights according to SQL-standard	Administrators, Users, Groups	no	no	fine grained access rights according to SQL-standard
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	DolphinDB	EJDB	mSQL Mini SQL	SAP Advantage Database Server former name: Sybase ADS
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 How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor provided by Google News			Higher Education PS rules out ghost students before PAC – Zambia 29 November 2018, diggers.news provided by Google News	SAP Announces Q3 2023 Results: Asia Pacific and Japan View 19 October 2023, SAP News provided by Google News

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