DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. NSDb vs. SAP Advantage Database Server vs. Transwarp Hippo

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. NSDb vs. SAP Advantage Database Server vs. Transwarp Hippo

Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	EJDB  Xexclude from comparison	NSDb  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	Transwarp Hippo  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	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetes	Low-cost RDBMS with access to ISAM and FoxPro data structures	Cloud-native distributed Vector DBMS that supports storage, retrieval, and management of massive vector-based datasets
Primary database model	Relational DBMS	Document store	Time Series DBMS	Relational DBMS	Vector 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 #369   Overall #40   Time Series DBMS		Score 0.05 Rank #386   Overall #16   Vector DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	github.com/­Softmotions/­ejdb	nsdb.io	www.sap.com/products/advantage-database-server.html	www.transwarp.cn/­en/­subproduct/­hippo
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	github.com/­Softmotions/­ejdb/­blob/­master/­README.md	nsdb.io/­Architecture
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Softmotions		Sybase, SAP
Initial release	2016	2012	2017	1993	2023
Current release					1.0, May 2023
License Commercial or Open Source	commercial	Open Source GPLv2	Open Source Apache Version 2.0	commercial	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	Java, Scala		C++
Server operating systems	hosted	server-less	Linux macOS	Linux Windows	Linux macOS
Data scheme	yes	schema-free		yes
Typing predefined data types such as float or date	yes	yes string, integer, double, bool, date, object_id	yes: int, bigint, decimal, string	yes	Vector, Numeric and String
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	all fields are automatically indexed	yes	no
SQL Support of SQL	yes	no	SQL-like query language	yes	no
APIs and other access methods	JDBC ODBC	in-process shared library	gRPC HTTP REST WebSocket	.NET Client API ADO.NET JDBC ODBC OLE DB	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	Java Scala	Delphi Perl PHP	C++ Java Python
Server-side scripts Stored procedures	yes	no	no	yes	no
Triggers	yes	no		yes	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	none	Sharding	none	Sharding
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
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		Eventual Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	no typically not needed, however similar functionality with collection joins possible	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	no	ACID	no
Concurrency Support for concurrent manipulation of data	yes	yes Read/Write Locking	yes	yes	yes
Durability Support for making data persistent	yes	yes	Using Apache Lucene	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	yes
User concepts Access control	fine grained access rights according to SQL-standard	no		fine grained access rights according to SQL-standard	Role based access control and fine grained access rights
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	EJDB	NSDb	SAP Advantage Database Server former name: Sybase ADS	Transwarp Hippo
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

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