DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. EventStoreDB vs. Microsoft Azure Synapse Analytics vs. NSDb

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. EventStoreDB vs. Microsoft Azure Synapse Analytics vs. NSDb

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Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	EventStoreDB  Xexclude from comparison	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse  Xexclude from comparison	NSDb  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Industrial-strength, open-source database solution built from the ground up for event sourcing.	Elastic, large scale data warehouse service leveraging the broad eco-system of SQL Server	Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetes
Primary database model	Relational DBMS	Event Store	Relational DBMS	Time Series DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 1.19 Rank #173   Overall #1   Event Stores	Score 19.93 Rank #31   Overall #19   Relational DBMS	Score 0.08 Rank #369   Overall #40   Time Series DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.eventstore.com	azure.microsoft.com/­services/­synapse-analytics	nsdb.io
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	developers.eventstore.com	docs.microsoft.com/­azure/­synapse-analytics	nsdb.io/­Architecture
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Event Store Limited	Microsoft
Initial release	2016	2012	2016	2017
Current release		21.2, February 2021
License Commercial or Open Source	commercial	Open Source	commercial	Open Source Apache Version 2.0
Cloud-based only Only available as a cloud service	yes	no	yes	no
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Implementation language			C++	Java, Scala
Server operating systems	hosted	Linux Windows	hosted	Linux macOS
Data scheme	yes		yes
Typing predefined data types such as float or date	yes		yes	yes: int, bigint, decimal, 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
Secondary indexes	yes		yes	all fields are automatically indexed
SQL Support of SQL	yes		yes	SQL-like query language
APIs and other access methods	JDBC ODBC		ADO.NET JDBC ODBC	gRPC HTTP REST WebSocket
Supported programming languages	C Java Perl Python R		C# Java PHP	Java Scala
Server-side scripts Stored procedures	yes		Transact SQL	no
Triggers	yes		no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service		Sharding, horizontal partitioning	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service		yes
MapReduce Offers an API for user-defined Map/Reduce methods	no		no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency		Immediate Consistency	Eventual Consistency
Foreign keys Referential integrity	yes		no docs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID		ACID	no
Concurrency Support for concurrent manipulation of data	yes		yes	yes
Durability Support for making data persistent	yes		yes	Using Apache Lucene
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no
User concepts Access control	fine grained access rights according to SQL-standard		yes
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	EventStoreDB	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse	NSDb
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 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 Experts disclosed two critical flaws in Alibaba cloud database services 20 April 2023, securityaffairs.com provided by Google News		Migrate Microsoft Azure Synapse Analytics to Amazon Redshift using AWS SCT | Amazon Web Services 18 October 2023, AWS Blog Azure Synapse Analytics: Everything you need to know about Microsoft's cloud analytics platform 24 September 2023, DataScientest Azure Synapse vs. Databricks: Data Platform Comparison 2024 26 March 2024, eWeek Azure Synapse Runtime for Apache Spark 3.2 End of Support | Azure updates 22 March 2024, Microsoft Azure Synapse Link for Cosmos DB: New Analytics Capabilities 10 November 2023, InfoQ.com provided by Google News

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