1. Adabas：
Adabas代表可调整的数据库系统。它是由Software AG开发的，可以在IBM大型机上运行。它于1971年推出。它是用于大型机和Linux / Unix / Windows环境的OLTP-DBMS。 ADABAS是一种企业数据库管理系统(DBMS)，旨在实现可靠性，高性能，可伸缩性和较低的总拥有成本。
2. AlaSQL：
AlaSQL是一个轻量级的客户端内存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在2014年开发的。 Adabas和AlaSQL之间的区别：
| S.NO. | ADABAS | ALASQL |
|---|---|---|
| 1. | It was developed By Software AG in 1971. | It was developed By Andrey Gershun Mathias R. Wulff in 2014. |
| 2. | It is an OLTP-DBMS for mainframes and Linux/Unix/Windows environments. | It is a JavaScript DBMS library. |
| 3. | Adabas is written in Natural language. | AlaSQL is written in JavaScript language. |
| 4. | Server operating systems for Adabas are BS2000, Linux, Unix, Windows, z/OS and z/VSE. | It is a server-less and requires a JavaScript environment. |
| 5. | It does not support XML Format. | It also does not support XML Format. |
| 6. | Server-side scripting is done in Natural language. | 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 with add-on product Adabas SQL Gateway. | It also supports SQL query language but no user access control, stored procedures and host language bindings. |
| 9. | It supports Replication with add-on product Event Replicator. | It does not support any replication methods. |
| 10. | Adabas does not provide the concept of Referential Integrity. Hence, no Foreign Keys. | AlaSQL provides the concept of Referential Integrity. Hence, there are Foreign Keys. |
| 11. | The license of Adabas is commercial. | The license of AlaSQL is open-source. |
| 12. | The primary database model of Adabas is Multivalue DBMS. | The primary database models of AlaSQL are Document Store and Relational DBMS. |
| 13. | It does not support in-memory capabilities. | It supports in-memory capabilities. |