1. AlaSQL：
AlaSQL是一个客户端内存SQL数据库，旨在在浏览器和Node.js中使用。它是一个针对Javascript的免费开放源代码SQL数据库，重点关注关系数据，无模式数据和图形数据的查询速度和数据源灵活性。它是由Andrey Gershun＆Mathias R.Wulff于2014年开发的。
2.亚马逊海王星：
Amazon Neptune是Amazon.com为云产品构建的快速，可靠的图形数据库。它是AWS(Amazon Web Services)的一部分。它于2017年11月29日宣布。它同时支持开源Apache TinkerPop Gremlin图形遍历语言。它允许用户使用通过AWS Key Management Service创建的密钥来加密数据库。
AlaSQL和Amazon Neptune之间的区别：
| S.NO. | AlaSQL | Amazon Neptune |
|---|---|---|
| 1. | Developed By Andrey Gershun & Mathias R. Wulff on 2014. | Developed By Amazon on 2017. |
| 2. | It is a JavaScript DBMS library. | It is a fast, reliable graph database built for the cloud product by Amazon.com |
| 3. | The License of AlaSQL is Open Source | The License of Amazon Neptune is commercial. |
| 4. | It is a server-less and requires a JavaScript environment | In Amazon Neptune, Hosted server operating systems |
| 5. | Its primary database model are Document store and Relational DBMS. | Its Primary database model are Graph DBMS and RDF store. |
| 6. | It does not support the Server-side scripting. | It does not support the Server-side scripting. |
| 7. | There is no partitioning methods. | It does not support partitioning methods. |
| 8. | It supports SQL query language but no user access control, stored procedures and host language bindings. | It does not supports SQL query language. |
| 9. | It does not support any 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 is not available as a cloud service | It is available as a cloud service |
| 12. | Programming languages supported is JavaScript. | Programming languages supported are C#, Go, Java, JavaScript, PHP, Python, Ruby and Scala. |
| 13. | It does not offers an API for user-defined Map/Reduce methods. | It does not offers an API for user-defined Map/Reduce methods. |