1. Trafodion :
它是一个事务性 SQL-on-Hadoop DBMS。它是一个网络规模的 SQL-on-Hadoop 解决方案，支持在 Apache Hadoop 上处理事务或操作工作负载。 “Trafodion”这个名字发音为“Tra-vod-eee-on”。它是一个在 Apache Hadoop 上运行的关系数据库管理系统，它为大数据环境中的事务或操作工作负载以及使用并行感知查询优化器的大数据集提供支持。
2. YugabyteDB：
它是高性能、云原生、开源的分布式 SQL 数据库全球分布式文档存储。它旨在使应用程序变得敏捷。 Yugabyte 总部位于加利福尼亚州桑尼维尔。它是作为 Apache 2.0 开源项目分发和开发的。
Trafodion 和 YugabyteDB 的区别：
| S.NO. | Trafodion | YugabyteDB |
|---|---|---|
| 1 | Developed by Apache Software Foundation, originally developed by HP and initially released on 2014. | Developed by Yugabyte Inc. and initially released on 2017. |
| 2 | Linux is server, operating systems of Trafodion. | Linux, OS X are server operating systems of YugabyteDB. |
| 3 | Primary database model is Relational DBMS. | Primary database model is Relational DBMS. |
| 4 | Absence of Secondary database models in Trafodion. | Secondary database models is Document store and Wide column store. |
| 5 | All languages supporting JDBC/ODBC/ADO.Net are programming languages. | C, C#, C++, Go, Java, JavaScript (Node.js), Python, Ruby are supporting programming languages. |
| 6 | ADO.NET, JDBC, ODBC are the APIs and other access methods of Trafodion. | YCQL, an SQL-based flexible-schema API with its roots in Cassandra Query Language, APIs and other access methods. |
| 7 | It has Data Schema. | Its data scheme is depending on used data model. |
| 8 | It has Implementation language Java and C++. | Its implementation language of YugabyteDB is C and C++. |
| 9 | Yes, Trafodion has ACID Transaction concepts. | Distributed ACID with Serializable Snapshot Isolation. Inspired by Google Spanner architecture is Transaction concepts. |
| 10 | Via HBase is replication methods of Trafodion. | Replication methods is based on Raft distributed consensus protocol, minimum 3 replicas for continuous availability. |
| 11 | It has immediate Consistency concept. | It has strong consistency on writes and tunable consistency on reads. |