It's the same as in other languages (Perl not excluded): and and or have different precedences, so you need to be explicit in the order you want: 
select 
    foo
from
    bar
where
    baz in (1,2,3)
    and
    (
        quux = 4
        or
        bar2 = 5  -- running out of funny names
    )

[download]

In reply to Re: in, ands, ors in query by rhesa
in thread in, ands, ors in query by Anonymous Monk

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