DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. ArcadeDB vs. EJDB vs. KairosDB vs. SAP Advantage Database Server

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. ArcadeDB vs. EJDB vs. KairosDB vs. SAP Advantage Database Server

Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	ArcadeDB  Xexclude from comparison	EJDB  Xexclude from comparison	KairosDB  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	Fast and scalable multi-model DBMS, originally forked from OrientDB but most of the code has been rewritten	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	Distributed Time Series DBMS based on Cassandra or H2	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Relational DBMS	Document store Graph DBMS Key-value store Time Series DBMS in next version	Document store	Time Series DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.10 Rank #358   Overall #48   Document stores #38   Graph DBMS #52   Key-value stores #35   Time Series DBMS	Score 0.31 Rank #296   Overall #44   Document stores	Score 0.67 Rank #233   Overall #20   Time Series DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	arcadedb.com	github.com/­Softmotions/­ejdb	github.com/­kairosdb/­kairosdb	www.sap.com/products/advantage-database-server.html
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	docs.arcadedb.com	github.com/­Softmotions/­ejdb/­blob/­master/­README.md	kairosdb.github.io
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Arcade Data	Softmotions		Sybase, SAP
Initial release	2016	2021	2012	2013	1993
Current release		September 2021		1.2.2, November 2018
License Commercial or Open Source	commercial	Open Source Apache Version 2.0	Open Source GPLv2	Open Source Apache 2.0	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		Java	C	Java
Server operating systems	hosted	All OS with a Java VM	server-less	Linux OS X Windows	Linux Windows
Data scheme	yes	schema-free	schema-free	schema-free	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	no	yes
SQL Support of SQL	yes	SQL-like query language, no joins	no	no	yes
APIs and other access methods	JDBC ODBC	JDBC MongoDB API OpenCypher PostgreSQL wire protocol Redis API RESTful HTTP/JSON API TinkerPop Gremlin	in-process shared library	Graphite protocol HTTP REST Telnet API	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages	C Java Perl Python R	Java	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	Java JavaScript Node.js PHP Python	Delphi Perl PHP
Server-side scripts Stored procedures	yes		no	no	yes
Triggers	yes		no	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service		none	Sharding based on Cassandra	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	Source-replica replication	none	selectable replication factor based on Cassandra	Multi-source replication CONFLICT Trigger to resolve replication conflicts 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		Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency
Foreign keys Referential integrity	yes	yes relationship in graphs	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	ACID	no	no	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes Read/Write Locking	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	no caching of (temporary) tables can be configured
User concepts Access control	fine grained access rights according to SQL-standard		no	simple password-based access control	fine grained access rights according to SQL-standard
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	ArcadeDB	EJDB	KairosDB	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 Alibaba Cloud ignites AI innovation in Singapore with recent hackathon | KrASIA 27 March 2024, KrASIA provided by Google News			Real-Time Performance and Health Monitoring Using Netdata 2 September 2019, CNX Software Expo: Real Time A/B Testing and Monitoring with Spark Streaming and Kafka at Walmart Labs 24 May 2019, InfoQ.com 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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