1. Trafodion：
它是一个事务性的基于Hadoop的SQL DBMS。这是一个Webscale-SQL-on-Hadoop解决方案，支持Apache Hadoop上的事务或操作工作负载。 “ Trafodion”这个名字的发音是“ Tra-vod-eee-on”。它是一个在Apache Hadoop上运行的关系数据库管理系统，该系统使用并行感知的查询优化器为大数据环境中的事务或操作工作负载以及大数据集提供支持。
2. UniData，UniVerse：
它是具有SQL映射层和元数据库功能的MultiValue数据库和应用程序服务器。 UniData简化了数据库设计，消除了SQL规范化的约束。 UniVerse是MultiValue应用程序平台的组件，其优点是用于开发企业应用程序的快速，灵活的数据服务器。基于UniVerse的应用程序可最大化可用资源的处理吞吐量，动态分配可用资源。
Trafodion和UniData，UniVerse之间的区别：
| S.NO. | Trafodion | UniData,UniVerse |
|---|---|---|
| 1 | It is developed by Apache Software Foundation, originally developed by HP. Initially released on 2014 and Current release on February 2019.. | It is developed by Rocket Software and initially released on 1985. |
| 2 | Linux is server, operating systems of Trafodion . | AIX, HP-UX, Linux, Solaris, Windows are server operating systems of UniData,UniVerse |
| 3 | Primary database model is Relational DBMS. | Primary database model is Multivalue DBMS. |
| 4 | All languages supporting JDBC/ODBC/ADO.Net are programming languages. | .Net,Basic, C, Java are supporting programming languages. |
| 5 | It holds Foreign keys. | It does not hold Foreign keys. |
| 6 | Sharding partitioning methods is present. | Absence of Partitioning methods in UniData,UniVerse. |
| 7 | ADO.NET, JDBC, ODBC are the APIs and other access methods of Trafodion. | Proprietary protocol, RESTful HTTP API, Java API, JDBC, ODBC, OLE DB, SOAP-based API are APIs and other access methods. |
| 8 | It has Data Schema. | It has a schema-free Data Schema. |
| 9 | It has Implementation language Java and C++. | Implementation language is C. |
| 10 | Trafodion has ACID( Atomicity, Consistency, Isolation, and Durability) Transaction concepts. | UniData,UniVerse has ACID ( Atomicity, Consistency, Isolation, and Durability) Transaction concepts. |
| 11 | Trafodion has replication method via HBase. | Replication methods of UniData,UniVerse is Master-slave replication. |
| 12 | Immediate Consistency concept present in Trafodion. | Absence of Consistency concept in UniData,UniVerse. |