1. IBM DB2：
IBM DB2 是 IBM 于 1983 年开发的关系型数据库。它被认为是为 AI 构建的数据库管理产品家族。它具有增强的执行交易的能力。它基于ACID的原理工作，具有很高的灵活性和性能。它具有高效的备份设施，被认为非常安全。它非常可靠，并得到 Linux、Unix 和 Windows 操作系统的支持。它具有商业许可证，并且具有很高的可扩展性。
2. 玛丽亚数据库：
Maria DB 是 MySQL 的增强版，由 MySQL 的原始开发人员为增加功能而制作。 Maria DB 是一个开源软件。由于其速度和稳健性，它在全球范围内使用。它是由 Maria DB 企业于 2009 年开发的。它是安全的，并且还具有内置的数据库防火墙。它是一个关系数据库，它有一个 SQL 接口，我们可以从中访问数据。
IBM DB2 和 Maria DB 的区别：
| S.NO. | IBM DB2 | Maria DB |
|---|---|---|
| 1. | IBM DB2 serves as a family of data management products which is built for AI. | Maria DB is an enhanced version of MySQL. |
| 2. | It has shared nothing architecture. | It is not implemented by shared nothing architecture. |
| 3. | It has more efficient backup functionality as compared to Maria DB. | It has comparatively less efficient backup functionality. |
| 4. | It was developed by IBM in 1983. | It was developed by Maria Enterprise in 2009. |
| 5. | It is a commercial software. | It is a open source software. |
| 6. | It has more scalability and availability as compared to Maria DB. | It has comparatively less scalability and availability. |
| 7. | It doesn’t have inbuilt database firewall. | It has inbuilt database firewall. |
| 8. | Multiple query languages like SQL, JSON, MDX, XML can be used in IBM DB2. | SQL is used in Maria DB. |
| 9. | It cant be used in standalone program. | It can be used in standalone program. |
| 10. | It has fixed data schema. | Data schema is of dynamic type. |
| 11. | It is considered better than Maria DB in terms of ranking. | It is considered less than IBM DB2 in terms of ranking. |