Drivers in visio for Generating ER Diagrams

[vishnunekkanti]

Hello,

I am using Microsoft Visio for Generating ER Diagrams. Can any one help me in what drivers shall I need to use to retrieve tables and views? I tried Oracle server, but i got the following error
'Encounterd a fatal error during reverse engineer of information from database!'

Can anyone help me?

Thanks in advance

Vishnu