没有其他的东西，在Delphi中连接到Mysql 5.1.x***的组件是什么？数据库组件可以击败DevArt DB组件，它们具有 MyDac 和 UniDac ，他们都可以直接访问数据库，而不需要在客户端机器上安装mysql客户端，除了提供快速的性能和高质量与其他组件相比

数据访问组件MySQL

通用数据访问组件

并查看上述页面，了解为何; - ）

What is the best component to use when connecting to a Mysql 5.1.x in Delphi and why ?

No other DB components could beat DevArt DB Components, they have MyDac and UniDac, both of them could use direct access to the database without requiring mysql client to be installed on the client machine, beside they offer fast performance and high quality compared to other components

Data Access Components for MySQL

Universal Data Access Components

and check the pages above to know why ;-)