DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Bangdb vs. EJDB vs. gStore vs. SAP Advantage Database Server

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Bangdb vs. EJDB vs. gStore vs. SAP Advantage Database Server

Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Bangdb  Xexclude from comparison	EJDB  Xexclude from comparison	gStore  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	Converged and high performance database for device data, events, time series, document and graph	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	A native Graph DBMS to store and maintain very large RDF datasets.	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Relational DBMS	Document store Graph DBMS Time Series DBMS	Document store	Graph DBMS RDF store	Relational DBMS
Secondary database models		Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.16 Rank #338   Overall #47   Document stores #32   Graph DBMS #31   Time Series DBMS	Score 0.31 Rank #296   Overall #44   Document stores	Score 0.14 Rank #342   Overall #34   Graph DBMS #16   RDF stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	bangdb.com	github.com/­Softmotions/­ejdb	en.gstore.cn	www.sap.com/products/advantage-database-server.html
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	docs.bangdb.com	github.com/­Softmotions/­ejdb/­blob/­master/­README.md	en.gstore.cn/­#/­enDocs
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Sachin Sinha, BangDB	Softmotions		Sybase, SAP
Initial release	2016	2012	2012	2016	1993
Current release		BangDB 2.0, October 2021		1.2, November 2023
License Commercial or Open Source	commercial	Open Source BSD 3	Open Source GPLv2	Open Source BSD	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	C++
Server operating systems	hosted	Linux	server-less	Linux	Linux Windows
Data scheme	yes	schema-free	schema-free	schema-free and OWL/RDFS-schema support	yes
Typing predefined data types such as float or date	yes	yes: string, long, double, int, geospatial, stream, events	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 secondary, composite, nested, reverse, geospatial	no		yes
SQL Support of SQL	yes	SQL like support with command line tool	no	no	yes
APIs and other access methods	JDBC ODBC	Proprietary protocol RESTful HTTP API	in-process shared library	HTTP API SPARQL 1.1	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages	C Java Perl Python R	C C# C++ Java Python	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	C++ Java JavaScript (Node.js) PHP Python	Delphi Perl PHP
Server-side scripts Stored procedures	yes	no	no	yes	yes
Triggers	yes	yes, Notifications (with Streaming only)	no		yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding (enterprise version only). P2P based virtual network overlay with consistent hashing and chord algorithm	none		none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor, Knob for CAP (enterprise version only)	none		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	Tunable consistency, set CAP knob accordingly			Immediate Consistency
Foreign keys Referential integrity	yes	no	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	ACID	no	yes	ACID
Concurrency Support for concurrent manipulation of data	yes	yes, optimistic concurrency control	yes Read/Write Locking	yes	yes
Durability Support for making data persistent	yes	yes, implements WAL (Write ahead log) as well	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes, run db with in-memory only mode		no	no caching of (temporary) tables can be configured
User concepts Access control	fine grained access rights according to SQL-standard	yes (enterprise version only)	no	Users, roles and permissions, Role-Based Access Control (RBAC) supported	fine grained access rights according to SQL-standard
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Bangdb	EJDB	gStore	SAP Advantage Database Server former name: Sybase ADS
Recent citations in the 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 to spur AI innovation with upcoming Singapore hackathon in March | KrASIA 21 February 2024, KrASIA How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor 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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