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 稍微推迟了公开发布。它是具有集成数据库管理系统的应用程序开发环境。
2. AnzoGraph ：
它是一个内存分布式图 DBMS，专为分析而设计。它用于嵌入式分析。该数据库是大规模并行处理的原生图形数据库，专为大规模、速度和深度链接洞察力的各种数据协调和分析而构建。
4D 和 AnzoGraph 的区别：
| S.No. | 4D | AnzoGraph |
|---|---|---|
| 1. | It was developed by 4D Incorporation in 1984. | It was developed by Cambridge Semantics in 2018. |
| 2. | It is application development environment with integrated database management system. | It is in-memory distributed graph DBMS designed for analytics. |
| 3. | It supports PHP as programming language. | It supports C++ and Java as programming languages. |
| 4. | Server operating systems for 4D are OS X and Windows. | Server operating system for AnzoGraph is Linux. |
| 5. | Its primary database model is Relational DBMS. | Its primary database model is Graph DBMS and RDF store. |
| 6. | It supports Server-side scripting. | It supports user-defined functions for Server-side scripting. |
| 7. | It supports XML format. | It does not support XML format. |
| 8. | It supports SQL query language. | It supports SPARQL is used as query language. |
| 9. | It does not support In-memory capabilities. | It supports In-memory capabilities. |
| 10. | It provides concept of Referential Integrity. Hence, there are Foreign Keys. | It does not provide concept of Referential Integrity. Hence, no Foreign Keys. |