Difference between 4D and ADABAS

1. 4th Dimension (4D) :
The 4th Dimension is a relational database management system and IDE developed by Laurent Ribardière. 4D can run as a server so that multiple clients can manage a single database. 4D was created in 1984 and had a slightly delayed public release for Macintosh in 1987. It is an application development environment with integrated database management system.

1. Adaptable Database System (ADABAS) :
ADABAS 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.

Difference between 4D and ADABAS :

S.NO.	4D	ADABAS
1.	Developed By 4D, Inc on 1984.	Developed By Software AG on 1971.
2.	It is an application development environment with integrated database management system.	It is an OLTP – DBMS for mainframes and Linux/Unix/Windows environments.
3.	It is written in C and C++ languages.	It is written in Natural language.
4.	Server operating systems for 4D are OS X and Windows.	Server operating systems for ADABAS are BS2000, Linux, Unix, Windows, z/OS and z/VSE.
5.	It support XML Format.	It does not support XML Format.
6.	It support the Server-side scripting.	Server-side scripting is done in Natural.
7.	There is no Partitioning methods.	It supports partitioning methods.
8.	It supports SQL query language.	It also supports SQL query language with add-on product ADABAS SQL Gateway.
9.	It support only one replication methods – Master-master replication.	It also supports partitioning with add-on product Event Replicator.
10.	It provides the concept of Referential Integrity. Hence, no Foreign Keys.	It does not provides the concept of Referential Integrity. Hence, no Foreign Keys.