set READ UNCOMMITED for a query with a table join (Ver 12.5. and 15.5)

Hi all,

this is an example of how to set the READ UNCOMMITED isolation level for a simple query:

select col_a from mytable at isolation 0

What about a query with an equi-join?

Is it:

select col_a

from mytable t1, mytable t2

at isolation 0

?

I am sorry for the simple question, I did not find a auitable example in the documentation.

Best Regards

Arthur