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.AgensGraph：
AgensGraph 是一个企业图数据库管理系统，它存储和管理各种类型的数据，包括遗留系统中的关系数据。 AgensGraph 是一个基于 PostgreSQL RDBMS 的多模型数据库，同时支持关系和图数据模型。 AgensGraph 在关系模型中支持索引类型包括 BTree、Hash、Gist、Gin。它符合 ACID，并提供基于触发器的逻辑复制和高可用性工具，以确保您的稳定性。 Adabas 和 AgensGraph 的区别：
| S.NO. | ADABAS | AGENSGRAPH |
|---|---|---|
| 1. | It was developed by Software AG in 1971. | It was developed by Bitnine Global Inc. in 2016. |
| 2. | It is an OLTP-DBMS for mainframes and Linux/Unix/Windows environments. | It is a multi-model database supporting relational and graph data models and built upon PostgreSQL. |
| 3. | Adabas is written in Natural language. | AgensGraph 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 AgensGraph are linux, OS X and Windows. |
| 5. | It does not support XML Format. | It also does not support XML Format. |
| 6. | Server-side scripting is done in Natural language. | It also supports the Server-side scripting. |
| 7. | It supports partitioning methods. | There is no partitioning method but can be realized using table inheritance. |
| 8. | It supports SQL query language with add-on product Adabas SQL Gateway. | It also supports SQL query language. |
| 9. | It supports replication with add-on product Event Replicator. | It supports only one replication methods : Master-Slave Replication. |
| 10. | Adabas does not provide the concept of Referential Integrity. Hence, no Foreign Keys. | AgensGraph provides the concept of Referential Integrity. Hence, there are Foreign Keys. |
| 11. | The license of Adabas is commercial. | The license of AgensGraph is open-source. |
| 12. | The primary database model of Adabas is Multivalue DBMS. | The primary database models of AgensGraph are Graph DBMS and Relational DBMS. |