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 是一个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. 气钉：
Aerospike 是一个闪存优化的内存开源 NoSQL 数据库和生产它的同名公司的名称。它是一种键值数据存储，旨在为实时大数据应用程序提供亚毫秒级响应时间。 Aerospike 的三个主要组件是 Aerospike 数据库服务器、Aerospike 智能客户端和 Aerospike 管理控制台。 Adabas 和 Aerospike 的区别：
| S.No. | ADABAS | AEROSPIKE |
|---|---|---|
| 1. | It was developed by Software AG in 1971. | It was developed by Aerospike in 2012. |
| 2. | It is an OLTP – DBMS for mainframes and Linux/Unix/Windows environments. | It is a flash-optimized in-memory NoSQL database. |
| 3. | Adabas is written in natural language. | Aerospike is written in C language. |
| 4. | Server operating systems for Adabas are BS2000, Linux, Unix, Windows, z/OS and z/VSE. | Server operating systems for Aerospike is Linux. |
| 5. | It does not support XML Format. | It does not support XML Format. |
| 6. | Server-side scripting is done in natural language. | It has user defined functions for server-side scripting. |
| 7. | It supports partitioning methods. | It supports partitioning method using sharding. |
| 8. | It supports SQL query language with add-on product Adabas SQL Gateway. | It does not support SQL query language. |
| 9. | It supports replication with add-on product Event Replicator. | It supports only one replication method – Selectable Replication Factor. |
| 10. | Adabas does not provide the concept of Referential Integrity. Hence, no Foreign Keys. | Aerospike also does not provide the concept of Referential Integrity. Hence, no Foreign Keys. |
| 11. | The license of Adabas is commercial. | The license of Aerospike is open-source. |
| 12. | The primary database model of Adabas is Multivalue DBMS. | The primary database model of Aerospike is Key-Value Store. |
| 13. | It does not offer an API for user-defined Map/Reduce methods. | It offers an API for user-defined Map/Reduce methods. |