Difference between Alibaba Cloud ApsaraDB for PolarDB and Amazon Neptune

1. Alibaba Cloud ApsaraDB for PolarDB :
The ApsaraDB for PolarDB is a cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. The architecture of ApsaraDB supported 5000 physical machines in a single cluster. It is designed for business-critical database applications that require fast performance, high concurrency, and automatic scaling.

2. Amazon Neptune :
Amazon Neptune is a fast, reliable graph database built for the cloud product by Amazon.com. It is part of AWS (Amazon Web Services). 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 ApsaraDB for PolarDB and Amazon Neptune :

S.NO. Alibaba Cloud ApsaraDB for PolarDB Amazon Neptune
1. Developed By Alibaba on August 2013. Developed By Amazon on 2017.
2. It is a cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle.  It is a fast, reliable graph database built for the cloud product by Amazon.com
3. The License of Alibaba Cloud ApsaraDB for PolarDB is commercial. The License of Amazon Neptune is commercial.
4. In Alibaba Cloud ApsaraDB for PolarDB, Hosted server operating systems In Amazon Neptune, 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. There is only one partitioning methods – Sharding. It does not support partitioning methods.
8. It supports SQL query language. It does not supports SQL query language.
9. It support replication methods. It support multi-availability zones high availability.
10. It provides the concept of Referential Integrity. Hence, there is Foreign Keys. It provides the concept of Referential Integrity. Hence, there is Foreign Keys.
11. It does not offers an API for user-defined Map/Reduce methods. It does not offers an API for user-defined Map/Reduce methods.
12. Programming languages supported are Java and Python. Programming languages supported are C#, Go, Java, JavaScript, PHP, Python, Ruby and Scala.

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