Difference between Adabas and AgensGraph

1. Adabas :
The Adabas stands for an Adaptable Database System. It was developed by Software AG to run on IBM mainframes. It was launched in 1971. It is an OLTP-DBMS for mainframes and Linux/Unix/Windows environments. Adabas is an enterprise database management system (DBMS) designed for reliability, high performance, scalability and low total cost of ownership.

2. AgensGraph :
AgensGraph is an enterprise graph database management system which stores and manages various types of data including relational data in your legacy system. AgensGraph is a multi-model database based on PostgreSQL RDBMS, and supports both relational and graph data models. AgensGraph supports index type including BTree, Hash, Gist, Gin in relational model. It is ACID compliant and offers trigger-based logical replication with high availability tools for your stability.


Difference between Adabas and AgensGraph :

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.