DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. Microsoft Azure AI Search vs. SAP Advantage Database Server vs. Sequoiadb

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. Microsoft Azure AI Search vs. SAP Advantage Database Server vs. Sequoiadb

Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	EJDB  Xexclude from comparison	Microsoft Azure AI Search  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	Sequoiadb  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)	Search-as-a-service for web and mobile app development	Low-cost RDBMS with access to ISAM and FoxPro data structures	NewSQL database with distributed OLTP and SQL
Primary database model	Relational DBMS	Document store	Search engine	Relational DBMS	Document store Relational DBMS
Secondary database models			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 5.52 Rank #59   Overall #6   Search engines		Score 0.50 Rank #258   Overall #41   Document stores #120   Relational DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	github.com/­Softmotions/­ejdb	azure.microsoft.com/­en-us/­services/­search	www.sap.com/products/advantage-database-server.html	www.sequoiadb.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	github.com/­Softmotions/­ejdb/­blob/­master/­README.md	learn.microsoft.com/­en-us/­azure/­search		www.sequoiadb.com/­en/­index.php?m=Files&a=index
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Softmotions	Microsoft	Sybase, SAP	Sequoiadb Ltd.
Initial release	2016	2012	2015	1993	2013
Current release			V1
License Commercial or Open Source	commercial	Open Source GPLv2	commercial	commercial	Open Source Server: AGPL; Client: Apache V2
Cloud-based only Only available as a cloud service	yes	no	yes	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	hosted	Linux Windows	Linux
Data scheme	yes	schema-free	yes	yes	schema-free
Typing predefined data types such as float or date	yes	yes string, integer, double, bool, date, object_id	yes	yes	yes oid, date, timestamp, binary, regex
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	yes
SQL Support of SQL	yes	no	no	yes	SQL-like query language
APIs and other access methods	JDBC ODBC	in-process shared library	RESTful HTTP API	.NET Client API ADO.NET JDBC ODBC OLE DB	proprietary protocol using JSON
Supported programming languages	C Java Perl Python R	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	C# Java JavaScript Python	Delphi Perl PHP	.Net C++ Java PHP Python
Server-side scripts Stored procedures	yes	no	no	yes	JavaScript
Triggers	yes	no	no	yes	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	none	Sharding Implicit feature of the cloud service	none	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	none	yes Implicit feature of the cloud service	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	Eventual 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	Document is locked during a transaction
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	no caching of (temporary) tables can be configured	no
User concepts Access control	fine grained access rights according to SQL-standard	no	yes using Azure authentication	fine grained access rights according to SQL-standard	simple password-based access control
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	EJDB	Microsoft Azure AI Search	SAP Advantage Database Server former name: Sybase ADS	Sequoiadb
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		Announcing updates to Azure AI Search to help organizations build and scale generative AI applications 4 April 2024, Microsoft Microsoft and ServiceNow at Knowledge 2024: Introducing generative AI innovation 13 June 2024, Microsoft Azure OpenAI Service: Transforming legal practices with generative AI solutions 12 June 2024, Microsoft Public Preview of Azure OpenAI and AI Search in-app connectors for Logic Apps (Standard) | Azure updates 2 April 2024, Microsoft Raise the bar on AI-powered app development with Azure Database for PostgreSQL 5 June 2024, Microsoft 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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