Using query function with ' where Col1 or Col2 is not null'?

Question

=query({TOIM;IMTO},"SELECT * where Col1 is not null ORDER by Col11",0)

Where TOIM,IMTO are named ranges.
I want to rewrite the formula with two criteria (OR). In other words like this:

=query({TOIM;IMTO},"SELECT * where Col1 or Col3 is not null ORDER by Col11",0)

But that seems not the correct argument.

Answer 1

EDIT
(following OP's comment)

So, how to say if either Col1 or Col2 is not null ?

" where Col1 is not null and Col2 is not null "

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Original answer

Depending on your locale, the formula behaves like

+---------+------+------+
| Formula | Col1 | Col2 |
+---------+------+------+
| ={1,2}  |    1 |    2 |
| ={1;2}  |    1 |      |
|         |    2 |      |
+---------+------+------+

So when you have {TOIM;IMTO} you can either have Col1 and Col2 OR JUST Col1.
In any case, there are no columns like Col3 or Col11.

Please adjust your formula accordingly.