I have an integer field person_id with the default value of NULL. I am using a stored procedure and pulling people names and address. if a user does not pass a value all records are pulled both, null and not nulls. How do I do it. May be Case statement or otherwise?
my_procedure( <--- this is pseudo code
@person_id int null
begin
select name, address from PERSON
WHERE person_id like case NULL then NULL else '%'
end
Null requires -> IS NULL number requires = 123
EDIT I need a condition too, if nothing is passed, all values are pulled. If something is passed, that value is searched
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