DB Restoration with different SID in Sybase

Hello Gurus,

We have 3 systems in our landscape(DEV, QAS and PRD). We are using EhP 7 with ERP 6.0 and db Sybase 15.7.0.122. I want to restore my PRD db backup on QAS server. Can you please suggest me steps how can I achieve this.

Regards,

Vishal Patil