You can use the them without prefix if there's no conflict.
On Fri, Oct 12, 2012 at 9:31 AM, Yang <[EMAIL PROTECTED]> wrote:
> whenever after I do a C= JOIN A,B
> then if I want to refer to some fields, I'd have to specify
> A::field1 A::field2 B::field3 B::field4
> supposedly if the field names themselves do not conflict, I should not need
> to use the A:: prefix,
> is this possible?