DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. SAP Advantage Database Server vs. SwayDB vs. YTsaurus

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB vs. SAP Advantage Database Server vs. SwayDB vs. YTsaurus

Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	EJDB  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	SwayDB  Xexclude from comparison	YTsaurus  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)	Low-cost RDBMS with access to ISAM and FoxPro data structures	An embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage	YTsaurus is an open source platform for distributed storage and processing.
Primary database model	Relational DBMS	Document store	Relational DBMS	Key-value store	Document store Key-value store
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 0.04 Rank #387   Overall #61   Key-value stores	Score 0.21 Rank #324   Overall #45   Document stores #48   Key-value stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	github.com/­Softmotions/­ejdb	www.sap.com/products/advantage-database-server.html	swaydb.simer.au	ytsaurus.tech
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	github.com/­Softmotions/­ejdb/­blob/­master/­README.md			ytsaurus.tech/­docs/­en
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Softmotions	Sybase, SAP	Simer Plaha	Yandex
Initial release	2016	2012	1993	2018	2023
License Commercial or Open Source	commercial	Open Source GPLv2	commercial	Open Source GNU Affero GPL V3.0	Open Source Apache License, Version 2.0
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		Scala	C++
Server operating systems	hosted	server-less	Linux Windows		Ubuntu
Data scheme	yes	schema-free	yes	schema-free
Typing predefined data types such as float or date	yes	yes string, integer, double, bool, date, object_id	yes	no	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	no	yes	no
SQL Support of SQL	yes	no	yes	no	YQL, an SQL-based language, is supported
APIs and other access methods	JDBC ODBC	in-process shared library	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages	C Java Perl Python R	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	Delphi Perl PHP	Java Kotlin Scala	C++ Go Java JavaScript Python
Server-side scripts Stored procedures	yes	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	none	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	none	yes
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no	yes
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency		Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	no typically not needed, however similar functionality with collection joins possible	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	ACID	Atomic execution of operations	ACID
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 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	no	Access Control Lists
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	EJDB	SAP Advantage Database Server former name: Sybase ADS	SwayDB	YTsaurus
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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