One advantage of using TADOConnection for establishing the connection to a data store instead of simply supplying a connection string for your ADO command and dataset components, is that it provides a greater degree of control over the conditions and attributes of the connection. 

The following topics describe the properties you can use to fine-tune the connection:

• Forcing asynchronous connections
• Controlling time-outs
• Indicating the types of operations the connection supports
• Specifying whether the connection automatically initiates transactions