Difference between Alibaba Cloud AnalyticDB for PostgreSQL and Amazon Neptune

1. Alibaba Cloud AnalyticDB for PostgreSQL :
AnalyticDB is an online analytical processing database system on Alibaba cloud. It offers both PostgreSQL and MySQL versions. AnalyticDB for PostgreSQL is an online Massively Parallel Processing (MPP) data warehousing service based on the Greenplum Open Source Database program and is enhanced with some in-depth extensions by Alibaba Cloud.

2. Amazon Neptune :
Amazon Neptune is a fast, reliable graph database built for the cloud product by Amazon.com. It is part of Amazon Web Services (AWS). It was announced on November 29, 2017. It supports both the open-source Apache TinkerPop Gremlin graph traversal language. It allows the user to encrypt databases using keys created through AWS Key Management Service.

Difference between Alibaba Cloud AnalyticDB for PostgreSQL and Amazon Neptune :

S.NO.	Alibaba Cloud AnalyticDB for PostgreSQL	Amazon Neptune
1.	It is developed By Alibaba, Pivotal Software Inc. and PostgreSQL Global Development Group on 2016.	It is developed By Amazon on 2017.
2.	It is real-time data warehousing service that can process petabytes of data with high concurrency and low latency.	It is fast, reliable graph database built for the cloud product by Amazon.com
3.	Its license of Alibaba Cloud AnalyticDB for PostgreSQL is commercial.	Its license of Amazon Neptune is commercial.
4.	Its hosted server operating systems.	Its hosted server operating systems
5.	Its primary database model is Relational DBMS.	Its Primary database model are Graph DBMS and RDF store.
6.	It support the Server-side scripting.	It does not support the Server-side scripting.
7.	It supports partitioning methods.	It does not support partitioning methods.
8.	It supports SQL query language.	It does not support SQL query language.
9.	It supports replication methods.	It supports multi-availability zones high availability.
10.	It provides concept of Referential Integrity. Hence, there is Foreign Keys.	It provides concept of Referential Integrity. Hence, there is Foreign Keys.
11.	It does not offer API for user-defined Map/Reduce methods.	It does not offer API for user-defined Map/Reduce methods.
12.	Programming languages supported are C, Java, Perl, R and Python.	Programming languages supported are C#, Go, Java, JavaScript, PHP, Python, Ruby and Scala.