📜  4D和ADABAS的区别

📅  最后修改于: 2021-09-12 11:26:05             🧑  作者: Mango

1. 第四维(4D):
第四维是由 Laurent Ribardière 开发的关系数据库管理系统和 IDE。 4D 可以作为服务器运行,以便多个客户端可以管理单个数据库。 4D 创建于 1984 年,1987 年为 Macintosh 稍微延迟了公开发布。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. 自适应数据库系统(ADABAS):
ADABAS 由 Software AG 开发,可在 IBM 大型机上运行。它于 1971 年推出。它是一个 OLTP – 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),专为可靠性、高性能、可扩展性和低总体拥有成本而设计。

4D 和 ADABAS 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.