1.阿达巴斯：
Adabas 代表自适应数据库系统。它由 Software AG 开发，可在 IBM 大型机上运行。它于 1971 年推出。它是一个用于大型机和 Linux/Unix/Windows 环境的 OLTP-DBMS。 ADABAS 是一种企业数据库管理系统 (DBMS)，专为可靠性、高性能、可扩展性和低总体拥有成本而设计。
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。它是由 Andrey Gershun Mathias R. Wulff 在 2014 年开发的。 Adabas 和 AlaSQL 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. |