4D和ADABAS之间的区别

1.第四维度(4D)：
第四维是关系数据库管理系统和由LaurentRibardière开发的IDE。 4D可以作为服务器运行，以便多个客户端可以管理一个数据库。 4D创建于1984年，并于1987年在Macintosh上稍有延迟地公开发布。它是一个具有集成数据库管理系统的应用程序开发环境。

1.适应性数据库系统(ADABAS)：
ADABAS由Software AG开发，可在IBM大型机上运行。它于1971年推出。它是OLTP –适用于大型机和Linux / Unix / Windows环境的DBMS。 ADABAS是一种企业数据库管理系统(DBMS)，旨在实现可靠性，高性能，可伸缩性和较低的总拥有成本。

4D和ADABAS之间的区别：

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.