value null with other values display

Hello world

I have this request

Select the scott.emp nvl (comm, 3) where comm! = 500

It is to exclude the line 500, but I want the null row display because it excludes null values too

proora wrote:
Hello world

I have this request

Select the scott.emp nvl (comm, 3) where comm! = 500

It is to exclude the line 500, but I want the null row display because it excludes null values too

Select the scott.emp nvl (comm, 3) where comm! = 500 or comm is null;

Tags: Database

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