oracle - SQL: AVG with NULL Values -

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as far understood avg() function ignores null values.

so avg(4,4,4,4,4,null) --> 4

in case don´t want happen.

i need solution that: avg(4,4,4,4,4,null) --> 3,33

without replacing null values directly in table itself. there way this?

use coalesce() return real value of 0 null columns:

select avg(coalesce(some_column, 0)) ...

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