1.AlaSQL：
AlaSQL 是一个客户端内存 SQL 数据库，旨在在浏览器和 Node.js 中工作。它是一个用于 Javascript 的免费开源 SQL 数据库，非常注重关系数据、无模式数据和图形数据的查询速度和数据源灵活性。它由 Andrey Gershun & Mathias R. Wulff 于 2014 年开发。
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(亚马逊网络服务)的一部分。它于 2017 年 11 月 29 日宣布。它同时支持开源 Apache TinkerPop Gremlin 图遍历语言。它允许用户使用通过 AWS Key Management Service 创建的密钥加密数据库。
AlaSQL 和 Amazon Neptune 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. |